#include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
int64_t MOD=10000007;

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