diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -1,7 +1,7 @@
 T = int(input())
 for _ in range(T):
     K = int(input())
-    left = 1
+    left = 0
     right = 10**18
     while right - left > 1:
         mid = (left + right) // 2
