#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, p, q, found = 0, not_found = 0;
  int x[100], y[100];
  cin >> n >> p;
  for (int i = 0; i < p; i++) {
    cin >> x[i];
  }
  cin >> q;
  for (int i = 0; i < q; i++) {
    cin >> y[i];
  }
  for (int i = 1; i <= n; i++) {
    found = 0;
    for (int j = 0; j < p; j++) {
      if (x[j] == i) {
        found = 1;
        break;
      }
    }
    if (found == 0) {
      for (int j = 0; j < q; j++) {
        if (y[j] == i) {
          found = 1;
          break;
        }
      }
    }
    if (found == 0) {
      cout << "Oh, my keyboard!";
      not_found = 1;
      break;
    }
  }
  if (not_found == 0) cout << "I become the guy.";
}
