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