package yukicoder;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class N423
{
	public static void main(String[] args) throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String str=br.readLine();
		if(str.equals("ham")){}
		else
		{
			str=str+"ham";
		}

		System.out.println(str);
	}

}