diff --git a/src/oj8782/oj8782.py b/src/oj8782/oj8782.py
index 3026c6e..d390fe1 100644
--- a/src/oj8782/oj8782.py
+++ b/src/oj8782/oj8782.py
@@ -3,8 +3,8 @@ from typing import List
 n,k = map(int,input().split(' '))
 
 c=" "+input()
-num:List[List[int]] = [[0 for _ in range(n+1)] for _ in range(n+1)]
-dp:List[List[int]] = [[0 for _ in range(n+1)] for _ in range(n+1)]
+num:List[List[int]] = [[0]*(n+1) for _ in range(n+1)]
+dp:List[List[int]] = [[0]*(n+1) for _ in range(n+1)]
 
 for i in range(1,n+1):
     num[i][i] = int(c[i])