diff --git a/main.py b/main.py
index a188959..790651f 100644
--- a/main.py
+++ b/main.py
@@ -17,5 +17,7 @@ if __name__ == '__main__':
 def add_procedure (*a : int) -> int:
     return sum(a)
 
-
+# 1번 개발자 추가 수정
+def add_procedure2 (a : int, b : int) -> int:
+    return a + b
 # https://www.jetbrains.com/help/pycharm/에서 PyCharm 도움말 참조