469 A. I Wanna Be the Guy.cpp

//problem name :469A. I Wanna Be the Guy
//problem link:http://codeforces.com/contest/469/problem/A
//status:accepted 
//author:mahandsakr

#include <iostream>
#include <set>
using namespace std;

int main() {
int n;
cin>>n;
set<int> se;
 for(int i=.0;i<2;i++){
 	int x;
 	cin>>x;
 	for(int j=0;j<x;j++){
 		int q;
 		cin>>q;
 		se.insert(q);
 	}
 }
 if(se.size()==n)
 cout<<"I become the guy.";
 else
 {
 	cout<<"Oh, my keyboard!";
 }
 


	return 0;
}