#include <bits/stdc++.h>
using namespace std;
int main() {
  string N;
  char n;
  n = N.at(N.size());
  if (n == '3') {
    cout << "bon" << endl;
  } else if (n == '0' or n == '1' or n == '6' or n == '8') {
    cout << "pon" << endl;
  } else {
    cout << "hon" << endl;
  }
}
