#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
       int n;
       cin>>n;
       if(n%10==0 || n%10==6 || n%10==1 || n%10==8) cout<<pon<<endl;
       else if(n%10==2 || n%10==4 || n%10 ==5 || n%10==7 || n%10==9) cout<<hon<<endl;
       else if(n%10==3) cout<<bon<<endl;
}