ham = input()
ham = ham.replace("hamu","1")
ham = ham.replace("ham","0")
if ham[0] == "0":
    pass
else:
    ham = int(ham,2)*2
    ham = format(ham,'b')
    ham = str(ham)
    ham = ham.replace("1","hamu")
    ham = ham.replace("0","ham")
    print(ham)