import sys
import re

#r = re.compile("[\W+]")

for line in sys.stdin:
    #print (type(line))
    #print (line)
    list_1 = re.split(r"[^A-Za-z]+",line.strip())
    # print(list_1)
    print(' '.join(list_1[::-1]))
    #print(a)
    # print(int(a[0]) + int(a[1]))