#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
using namespace std;
using P = pair<int, int>; 
using ll = long long;

int main()
{
  int n;
  cin >> n;
  if (n == 3) {
    cout << "bon" << endl;
  }
  else if(n == 0 || n == 1|| N == 6 || n == 8){
    cout << "pon" << endl;
  }
  else {
    cout << "hon" << endl;
  }
  return 0;
}
