#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, mas[200] = {0}, p, q, a;
  cin >> n >> p;
  for (int i = 0; i < p; ++i) {
    cin >> a;
    mas[a] = 1;
  }
  cin >> q;
  for (int i = 0; i < q; ++i) {
    cin >> a;
    mas[a] = 1;
  }
  for (int i = 1; i <= n; ++i)
    if (mas[i] == 0) {
      cout << "Oh, my keyboard!";
      return 0;
    }
  cout << "I become the guy.";
  return 0;
}
