diff --git a/program-1/read.md b/program-1/read.md
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-# program-1
-## This is a c program to print numbers in lower triangle 
\ No newline at end of file
+# Program-1
+## This is a c program to print numbers in lower triangle 
diff --git a/program-2/a.out b/program-2/a.out
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+# Program-2
+## This is a c program to check whether the given number is prime or not