diff --git a/absys/main.cpp b/absys/main.cpp
index 7146c51..766baf9 100644
--- a/absys/main.cpp
+++ b/absys/main.cpp
@@ -1,4 +1,4 @@
-#include <stdio.h>
+#include <bits/stdc++.h>
 
 using namespace std;