#include <bits/stdc++.h>
using namespace std;
int main() {
  int tab[101] = {0};
  int n;
  cin >> n;
  int p;
  cin >> p;
  int x;
  for (int i = 0; i < p; i++) {
    cin >> x;
    tab[x - 1]++;
  }
  cin >> p;
  for (int i = 0; i < p; i++) {
    cin >> x;
    tab[x - 1]++;
  }
  sort(tab, tab + n);
  (tab[0] == 0) ? cout << "Oh, my keyboard!" : cout << "I become the guy.";
  return 0;
}
