diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -5,7 +5,7 @@
     a = 0
     for n in range(N):
         a += X[n][m]
-    if a <= A[m]:
+    if a < A[m]:
         print("No")
         exit(0)
 print("Yes")
