#include <bits/stdc++.h>
typedef long long ll;
#define INF 1000000000
#define MOD 1000000007
using namespace std;
int main(void){
    string s;
    cin>>s;
    string ans;
    if(s=="ham"){
        ans="ham";
    }else{
        ans=s+"ham";
    }
    cout<<ans<<endl;
}