while True:
try:
char1 = input().split()
len1 = len(char1)
if len1 < 1 or len1 > 1000: #题目的要求,字符串的长度在1到1000以内
raise Warning
for i in range(1,len1+1):
print(char1[len1-i], end=' ') #进行倒叙排序
except:
break
try:
char1 = input().split()
len1 = len(char1)
if len1 < 1 or len1 > 1000: #题目的要求,字符串的长度在1到1000以内
raise Warning
for i in range(1,len1+1):
print(char1[len1-i], end=' ') #进行倒叙排序
except:
break