A. I Wanna Be the Guy

#include <iostream>
using namespace std;
bool a[1000];//同一个地方跌倒两次，又是初始化问题
int main(){
    int n;
    cin >> n;
    bool f = false;
    for(int i = 0;i < 2;i++){
        int x;
        cin >> x;
        while(x--){
            int k;
            cin >> k;
            a[k] = true;
        }
    }
    ;
    for(int i = 1;i <= n;i++){
        if(a[i] == false) f = true;
    }
    if(f) cout << "Oh, my keyboard!";
    else cout << "I become the guy.";
    return 0;
}