/// Code by Leonardo16
///   “It is not the strength of the body, but the strength of the spirit.”   —  J.R.R. Tolkien
#include<bits/stdc++.h>
using namespace std;
//#pragma GCC optimize("Ofast")
/// Macros
#define int long long
#define ll long long
#define sz size
#define ull unsigned long long
#define ld long double
#define vi vector<int>
#define ii pair<int,int>
#define vii vector<ii>
#define fst first
#define scd second
#define pb push_back
#define fl '\n'
#define el endl
#define all(x) x.begin() , x.end()
#define rall(x) x.rbegin() , x.rend()
/// Functions
#define db(x) cerr << #x << ": " << (x) << '\n';
#define random() __builtin_ia32_rdtsc()
#define lg2(x) 31-__builtin_clz(x)
#define lg2ll(x) 63-__builtin_clzll(x)
#define pi acos(-1)
#define YN(x) cout<<((x)?("YES"):("NO"))<<fl;
#define yn(x) cout<<((x)?("Yes"):("No"))<<fl;
/// Red-Black Tree Template
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//typedef tree < long long ,  null_type ,  less<long long> ,  rb_tree_tag ,  tree_order_statistics_node_update > ordered_set;
//#define less_than(n) order_of_key(n)
//#define en_pos(n) find_by_order(n)
/// Prime numbers  173,179,311,331,737,1009,2011,2027,3079,4001,100003
///===================================================================

main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;cin>>n;
    if(n%10==3){
        cout<<"bon";
        exit(0);
    }
    if(n%10==0 || n%10==1 || n%10==6 || n%10==8  ){
        cout<<"pon";
        exit(0);
    }
    
    
    
    cout<<"hon";
return 0;}



