#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(NULL);
  int n;
  cin >> n;
  int x = n % 10;
  if (x == 2 || x == 4 || x == 5 || x == 7 || x == 9) {
    cout << "hom";
  } else if (x == 3) {
    cout << "bon";
  } else
    cout << "pon";
  return 0;
}
