diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -9,4 +9,4 @@
     if A[i] != B[i]:
         for j in range(N):
             if A[i][j] != B[i][j]:
-                print(i, j)
+                print(i + 1, j + 1)
