#include <bits/stdc++.h>
using namespace std;
int main() {
  vector<int> v1, v2;
  vector<int>::iterator ip;
  int n, p, q, k, sum = 0, result = 0;
  cin >> n;
  result = n * (n + 1) / 2;
  cin >> p;
  for (int i = 0; i < p; i++) {
    cin >> k;
    v1.push_back(k);
  }
  cin >> q;
  for (int i = 0; i < q; i++) {
    cin >> k;
    v2.push_back(k);
  }
  v1.insert(v1.end(), v2.begin(), v2.end());
  sort(v1.begin(), v1.end());
  ip = unique(v1.begin(), v1.begin() + v1.size());
  v1.resize(distance(v1.begin(), ip));
  for (ip = v1.begin(); ip != v1.end(); ++ip) {
    sum += *ip;
  }
  if (result != sum) {
    cout << "Oh, my keyboard!" << endl;
  } else {
    cout << "I become the guy." << endl;
  }
}
