diff --git "a/Basic_Of_Algorithm/src/test/\352\267\200\353\202\251\353\262\225.java" "b/Basic_Of_Algorithm/src/test/\352\267\200\353\202\251\353\262\225.java"
new file mode 100644
index 0000000..ae7f8f7
--- /dev/null
+++ "b/Basic_Of_Algorithm/src/test/\352\267\200\353\202\251\353\262\225.java"
@@ -0,0 +1,34 @@
+package test;
+
+import java.util.Scanner;;
+
+public class 귀납법 {
+
+	public static void main(String[] args) {
+		
+		
+		Scanner scan = new Scanner(System.in);
+		
+		int n = scan.nextInt();
+		
+		int m = test(n);
+		
+		int l = 0;
+		
+		for(int i=n;i>-1;i--) {
+			l += i;
+		}
+		
+		if(l==m) System.out.println("이게 귀납법");
+		
+		System.out.println(l);
+		System.out.println(m);
+	}
+	
+	static int test(int n) {
+		
+		if(n==0) return n;
+		return n+test(n-1);
+		
+	}
+}