import java.util.*;

class Question423
{
	public static void main(String[] str){
		
		Scanner scan = new Scanner(System.in);
		
		String s = scan.next();
		String bin,ham;
		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);
	}
}