targ = input()
temp = ""
num = ""
for t in range(len(targ)):
    temp += targ[t]
    if temp == "hamh":
        temp = "h"
        num += '0'
    elif temp == "hamu":
        temp = ""
        num += '1'
    elif temp == "ham" and t == len(targ) - 1:
        num += '0'
if num == '0':
    print("ham")
else:    
    temp = bin(int(num,2) * 2)[2:]
    ans = ""
    for t in temp:
        if t == '0':
            ans += "ham"
        else:
            ans += "hamu"
    print(ans)