A. I Wanna Be the Guy

#include <bits/stdc++.h>

using namespace std ;
#define sz(s) int(s.size())
#define all(s) s.begin() , s.end()
#define getline(s) getline(cin >> ws, s)
#define cin(v) for (auto& i : v) cin >> i ;
#define pb(x) push_back(x)
#define ll long long
#define ull unsigned long long
#define Mod 1'000'000'007
#define INF 2'000'000'000
#define Num_of_Digits(n) ((int)log10(n)+1)
#define fixed(n) fixed << setprecision(n)
#define imin INT_MIN
#define imax INT_MAX
#define Time cerr << "Time Taken: " << (float)clock() / CLOCKS_PER_SEC << " Secs" << "\n" ;


void ABDEL3AL () {
    ios_base::sync_with_stdio(false); cin.tie(nullptr) , cout.tie(nullptr) ;
#ifndef ONLINE_JUDGE
    freopen("input.txt" , "r" , stdin) , freopen("output.txt" , "w" , stdout) ;
#endif
    Time
}


int main() {
    ABDEL3AL() ;
    int t = 1 ;
    //cin >> t ;
    while (t--) {
        int n ;
        cin >> n ;
        set < int > lvl ;
        int n1 , n2 ;
        cin >> n1 ;
        vector < int > v1(n1) ;
        cin(v1) ;
        cin >> n2 ;
        vector < int > v2(n2) ;
        cin(v2) ;
        lvl.insert(v1.begin() , v1.end()) , lvl.insert(v2.begin() , v2.end()) ;
        bool pass = true ;
        for (int i = 1; i <= n; i++) {
            if (lvl.find(i) == lvl.end()) pass = false ;
            break ;
        }
        cout << (pass ? "I become the guy." : "Oh, my keyboard!") ;
    }

    return 0;
}