import java.util.*;

class Question423
{
	public static void main(String[] str){
		
		Scanner scan = new Scanner(System.in);
		
		String s = scan.next();
		String bin,ham;
		
		if(s.equals("ham")){
			System.out.println("ham");
		}
		else{
			bin = s.replaceAll("hamu","1");
			bin = bin.replaceAll("ham","0");
			bin += "0";
		
			ham = bin.replaceAll("0","ham");
			ham = ham.replaceAll("1","hamu");
			System.out.println(ham);
		}
	}
}