diff --git a/hello.cpp b/hello.cpp
index 16e91de..0b96067 100644
--- a/hello.cpp
+++ b/hello.cpp
@@ -1,8 +1,12 @@
 #include<iostream>
+#include<vector>
 
 using namespace std;
 
 int main(){
-	cout<<"hello world";
+	vector<int> v;
+	for(int i = 0; i<9; i++){
+		v.push_back(i);
+	}
 	return 0;
 }
\ No newline at end of file