# -*-coding:utf-8-*-

while True:
    try:
        str_ = input()
        str_list=''
        for s in str_:
            if not s.isalpha():
                s = " "
            str_list=str_list+str_list.join(s)
        str_list = str_list.split()
        for ss in str_list[::-1]:
            print(ss,end=" ")
    except:
        break