/*
// https://www.messletters.com/en/text-art/

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*/


#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

int main(){
  int n;
  cin >> n;
  n%=10;
  if(n==0||n==1||n==6||n==8){
    cout << "pon" << endl;
  }else if(n==3){
    cout << "bon" << endl;
  }else{
    cout << "hon" << endl;
  }
}

Measured memory_bytes: 3632