#include<bits/stdc++.h>

using namespace std;

struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}init;

typedef long long LL;

template<typename T>void chmin(T &a,T b){a=min(a,b);}
template<typename T>void chmax(T &a,T b){a=max(a,b);}
template<typename T>
istream& operator>>(istream &is,vector<T> &v){
    for(auto &it:v)is>>it;
    return is;
}

int main(){
    string s;
    cin>>s;
    if(s=="ham")cout<<"ham"<<endl;
    else
    cout<<s+"ham"<<endl;
    return 0;
}