#include<bits/stdc++.h>
 using namespace std;
#define INF 1000000000
#define REP(i,n) for(int (i)=0;(i)<(int)(n);(i)++)
int main(){
    string S;
    cin>>S;
    if(S=="ham"){
       cout<<S<<endl;
    }else{
       cout<<S+"ham"<<endl;
    }
}