// INCOMPLETE: uses int128 (should be __int128). Kept as-is; useful as a
// starting point for finishing the solution yourself.
#include <bits/stdc++.h>
using namespace std;


void marki(int128 &mask){
    int l;cin>>l;
    for(int i =0 ; i<l ; i++){
        int temp ; cin>>temp ;
        mask |= ((int128)1 << temp);
    }

}

int main(){

    int n ; cin>>n;
    int128 mask = 0;

    marki(mask);
    marki(mask);

    //printf("%lld  %lld \n",(power(n+1) -1),mask);
    if (((((int128)1 << (n + 1)) - 2) == mask)) {
        cout<<"I become the guy."<<endl;
    }else
    {
        cout<<"Oh, my keyboard!"<<endl;
    }
}