#include <bits/stdc++.h>
using namespace std;
int main() {
int n1;cin>>n1;
if(n1>99)
{ n1/=100;
 if(n1==3)
   cout<<bon;
 else if(n1==0||n1==1||n1==6||n1==8)
   cout<<pon;
 else
   cout<<hon;}
  else if (n1>9)
  {
     n1/=10;
 if(n1==3)
   cout<<bon;
 else if(n1==0||n1==1||n1==6||n1==8)
   cout<<pon;
 else
   cout<<hon;}
  else
  { 
 if(n1==3)
   cout<<bon;
 else if(n1==0||n1==1||n1==6||n1==8)
   cout<<pon;
 else
   cout<<hon;}

	return 0;
}