#include<bits/stdc++.h>
using namespace std;
int main(void){
  	int a;
  cin >> a;
  	if(a % 10 == 2 || a % 10 == 4 || a % 10 == 5 || a % 10 == 7 || a % 10 == 9){
      	cout << hon << endl;
    }else if(a % 10 == 0 || a % 10 == 1 || a % 10 == 6 || a % 10 == 8){
      	cout << pon << endl;
    }else{
      	cout << bon << endl;
    }
}
	