#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, r;
  cin >> n;
  r = n % 10;
  if (r == 3)
    cout << "" << endl;
  else if (r == 2 || r == 4 || r == 5 || r == 7 || r == 9)
    cout << "hon" << endl;
  else
    cout << "pon" << endl;
  return 0;
}
