/*No.423 ハムスター語初級（数詞）*/
import java.io.*;
public class No423 {
	public static void main(String[] args) {
		try(BufferedReader input =new BufferedReader(new InputStreamReader(System.in))){
			String Language=input.readLine().replaceAll("hamu", "1").replaceAll("ham", "0");
			int Num=0;
			for(int i=0;i<Language.length();i++){
				Num+=Integer.parseInt(Language.substring(i, i+1))*Math.pow(2,Language.length()-1-i);
			}
			TransNumber(Num*2);
			System.out.println(Integer.toString(TransNumber(Num*2)).replaceAll("1", "hamu").replaceAll("0", "ham"));
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	public static int TransNumber(int TransNumber){
		int n=0;
		String s_number=new String();
		while(TransNumber>=(int)Math.pow(2, n)){
			n++;
		}
		while(n>=0){
			s_number=s_number.concat(Integer.toString(TransNumber/(int)Math.pow(2, n)));
			TransNumber%=(int)Math.pow(2, n);
			n--;
		}
		return Integer.parseInt(s_number);
	}
}