diff --git a/README.md b/README.md
index 1588980..965f75a 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,8 @@ Join link: [Google meet](https://meet.google.com/jyx-mxnq-kpk)
 
 ## 2023 4Q meet up list
 
-- [160th, 2023-12-09](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/293), will be open
+- [161th, 2023-12-16](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/295), will be open
+- [160th, 2023-12-09](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/293), joined 6
 - [159th, 2023-12-02](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291), joined 5
 - [158th, 2023-11-25](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288), joined 5
 - [157th, 2023-11-18](https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287), joined 5
@@ -302,12 +303,12 @@ Top 2, 3, 4 ranked winner get prize from home coming day 2023
 
 |Ranking|Name|Count|
 |-------|----|-----|
-|1|[Kim Jong Feel](https://github.com/jongfeel/)|47|
-|2|[Ji Yoon Choi](https://github.com/chichoon/)|45|
-|3|[Jeongan Lee](https://github.com/fkdl0048/)|22|
-|4|[yeslee-v](https://github.com/yeslee-v/)|20|
+|1|[Kim Jong Feel](https://github.com/jongfeel/)|48|
+|2|[Ji Yoon Choi](https://github.com/chichoon/)|46|
+|3|[Jeongan Lee](https://github.com/fkdl0048/)|23|
+|4|[yeslee-v](https://github.com/yeslee-v/)|21|
 |5|[TaeHyoung Kwon](https://github.com/TaeHyoungKwon/)|16|
-|6|[YeongKwonMo](https://github.com/momoci99/)|13|
+|6|[YeongKwonMo](https://github.com/momoci99/)|14|
 |7|[hyunhye](https://github.com/zoepark21/)|12|
 |8|[ohdair](https://github.com/ohdair/)|10|
 |9|[TaeWon](https://github.com/ytw9699/)|8|
@@ -332,12 +333,12 @@ Top 2, 3, 4 ranked winner get prize from home coming day 2023
 
 |Ranking|Name|Count|
 |-------|----|-----|
-|1|[jongfeel](https://github.com/jongfeel/)|157|
-|2|[chichoon](https://github.com/chichoon)|87|
+|1|[jongfeel](https://github.com/jongfeel/)|158|
+|2|[chichoon](https://github.com/chichoon)|88|
 |3|[Joseph-Cha](https://github.com/Joseph-Cha/)|34|
-|4|[Jeongan Lee](https://github.com/fkdl0048/)|31|
+|4|[Jeongan Lee](https://github.com/fkdl0048/)|32|
 |5|[hi-hyein](https://github.com/hi-hyein/)|30|
-|6|[yeslee-v](https://github.com/yeslee-v/)|29|
+|6|[yeslee-v](https://github.com/yeslee-v/)|30|
 |7|[eunyeong-so](https://github.com/eunyeong-so/)|21|
 |8|[JSY8869](https://github.com/JSY8869/)|21|
 |9|[wjrmffldrhrl](https://github.com/wjrmffldrhrl/)|20|
@@ -346,8 +347,8 @@ Top 2, 3, 4 ranked winner get prize from home coming day 2023
 |12|[TaeHyoungKwon](https://github.com/TaeHyoungKwon/)|17|
 |13|[yoonucho](https://github.com/yoonucho/)|14|
 |14|[wisdom08](https://github.com/wisdom08/)|14|
-|15|[soo:bak](https://github.com/soo-bak)|13|
-|16|[YeongKwonMo](https://github.com/momoci99/)|13|
+|15|[YeongKwonMo](https://github.com/momoci99/)|14|
+|16|[soo:bak](https://github.com/soo-bak)|13|
 |17|[hyunhye](https://github.com/zoepark21/)|12|
 |18|[TaeWon](https://github.com/ytw9699/)|12|
 |19|[ShimWooJeong](https://github.com/ShimWooJeong/)|11|
diff --git a/Stamp/README.md b/Stamp/README.md
index 258cefa..18d5020 100644
--- a/Stamp/README.md
+++ b/Stamp/README.md
@@ -26,13 +26,13 @@
 
 | Name    | 10-07 (151th) | 10-14 (152th) | 10-21 (153th) | 10-28 (154th) | 11-04 (155th) | 11-11 (156th) | 11-18 (157th) | 11-25 (158th) | 12-02 (159th) | 12-09 (160th) | [12-16 (161th)](https://github.com/ThinkAboutSoftware/HomeComingDay) | 12-23 (162th) | 12-30 (163th) |
 |---------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|-------|
-| [Kim Jong Feel](https://github.com/jongfeel/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/274#issuecomment-1751555476"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1762499127"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/279#issuecomment-1773609782"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1773976429"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1793290394"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1806619867"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817333505"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1826181914"><img src="approved.png"/></a> | 
-| [Ji Yoon Choi](https://github.com/chichoon) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/274#issuecomment-1750832035"><img src="approved.png"/><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1754531628"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 2/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1754531628"><img src="approved.png"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1773979093"><img src="approved.png"/>book 4/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1783993854"><img src="approved.png"/>book 5/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1804984382"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 6/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817236729"><img src="approved.png"/>book 7/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1826176437"><img src="approved.png"/>book 8/20</a> | 
+| [Kim Jong Feel](https://github.com/jongfeel/) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/274#issuecomment-1751555476"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1762499127"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/279#issuecomment-1773609782"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1773976429"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1793290394"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1806619867"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817333505"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1826181914"><img src="approved.png"/></a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291#issuecomment-1836985900"><img src="approved.png"/></a> | 
+| [Ji Yoon Choi](https://github.com/chichoon) | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/274#issuecomment-1750832035"><img src="approved.png"/><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1754531628"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 2/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1754531628"><img src="approved.png"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1773979093"><img src="approved.png"/>book 4/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1783993854"><img src="approved.png"/>book 5/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1804984382"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 6/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817236729"><img src="approved.png"/>book 7/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1826176437"><img src="approved.png"/>book 8/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291#issuecomment-1836980981"><img src="approved.png"/>book 9/20</a> | 
+| [Jeongan Lee](https://github.com/fkdl0048/) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783164423"><img src="approved.png"/>book 1/20</a> | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817309095"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1823831835"><img src="approved.png"/>book 4/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291#issuecomment-1826822941"><img src="approved.png"/>book 5/20</a> | 
+| [yeslee-v](https://github.com/yeslee-v/) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783668527"><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1792078289"><img src="approved.png"/>book 2/20</a> | | |<a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1792078289"><img src="approved.png"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291#issuecomment-1833727897"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 4/20</a> | 
+| [YeongKwonMo](https://github.com/momoci99/) | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1761486780"><img src="approved.png"/><img src="Black Glazed Latte.jpg"/>book 1/20</a> | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1806615249"><img src="approved.png"/>book 2/20</a> | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/291#issuecomment-1836982705"><img src="approved.png"/>book 3/20</a> | 
 | [Byeongguk Ahn](https://github.com/nonoaa/) | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/279#issuecomment-1773591639"><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783652747"><img src="approved.png"/>book 2/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1793281072"><img src="approved.png"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1806615528"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 4/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817310194"><img src="approved.png"/>book 5/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1826179088"><img src="approved.png"/>book 6/20</a> | 
-| [Jeongan Lee](https://github.com/fkdl0048/) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783164423"><img src="approved.png"/>book 1/20</a> | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817309095"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 3/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/288#issuecomment-1823831835"><img src="approved.png"/>book 4/20</a> | 
-| [yeslee-v](https://github.com/yeslee-v/) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783668527"><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1792078289"><img src="approved.png"/>book 2/20</a> | | |<a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/283#issuecomment-1792078289"><img src="approved.png"/>book 3/20</a> | 
 | [Jiyun Yun](https://github.com/jeeyn) | | | | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/287#issuecomment-1817313731"><img src="approved.png"/>book 1/20</a> | 
-| [YeongKwonMo](https://github.com/momoci99/) | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1761486780"><img src="approved.png"/><img src="Black Glazed Latte.jpg"/>book 1/20</a> | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1806615249"><img src="approved.png"/>book 2/20</a> | 
 | [3Cat-jaguar](https://github.com/3Cat-jaguar) | | | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/285#issuecomment-1805639932"><img src="approved.png"/>book 1/20</a> | 
 | [Arat5724](https://github.com/Arat5724/) | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/277#issuecomment-1762460075"><img src="approved.png"/>book 1/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/279#issuecomment-1773588091"><img src="approved.png"/>book 2/20</a> | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/281#issuecomment-1783653400"><img src="approved.png"/><img src="Starbucks_americano.JPG"/>book 3/20</a> | 
 | [soo:bak](https://github.com/soo-bak/) | | | | <a href="https://github.com/ThinkAboutSoftware/OnlineSelfCodingGroup/issues/258#issuecomment-1675598474"><img src="approved.png"/>book 1/20</a> |