diff --git a/code_study/Baekjoon/python/2547.py b/code_study/Baekjoon/python/2547.py
new file mode 100644
index 0000000..78e809e
--- /dev/null
+++ b/code_study/Baekjoon/python/2547.py
@@ -0,0 +1,6 @@
+res = []
+for _ in range(int(input())) :
+    input()
+    N = int(input())
+    res.append("NO" if sum([int(input()) for _ in range(N)]) % N else "YES")
+print("\n".join(map(str, res)))
\ No newline at end of file