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                (J U S T   L I K E   E V E R Y O N E   E L S E !)

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*/                              
#include<bits/stdc++.h>
using namespace std;
 
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
#define LL long long 
#define mod 1000000007 
#define FOR(i, j, k) for (int i=j ; i<k ; i++)
#define ROF(i, j, k) for (int i=j ; i>=k ; i--) 
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false); debug("%s time : %.4fs", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))

const long long INF = 1e18;
const long long MAX = 1e5+10;
int main(){
    fastio;
    int t=1;// cin>>t;
    while(t--){
        string s; cin>>s;
            int a[] = {2,4,5,7,9};
            int b[] = {0,1,6,8}; 
            int c[] = {3};
            FOR(i,0,5) if(a[i]==s[s.size()-1]-'0') {cout<<"hon"; return 0 ;}
            FOR(i,0,4) if(b[i]==s[s.size()-1]-'0') {cout<<"pon"; return 0 ;}
            FOR(i,0,1) if(c[i]==s[s.size()-1]-'0') {cout<<"bon"; return 0 ;}

    }
}


Measured memory_bytes: 3592