while True:
n=str(input())
if len(str(int(n))) == len(n):
print(int(n[::-1]))
else:
n = eval(intpu())res = 0
while n >0:
res = res * 10 + n %10
n = n // 10
print(res)
while True:
n=str(input())
if len(str(int(n))) == len(n):
print(int(n[::-1]))
else:
n = eval(intpu())res = 0
while n >0:
res = res * 10 + n %10
n = n // 10
print(res)