import sys
import re
def run(a):
p = r"[a-zA-Z]+"
b = re.findall(p, a)
return " ".join(b[::-1])
for line in sys.stdin:
_a = line.strip()
print(run(_a))
import sys
import re
def run(a):
p = r"[a-zA-Z]+"
b = re.findall(p, a)
return " ".join(b[::-1])
for line in sys.stdin:
_a = line.strip()
print(run(_a))