str=input()
s=""
for i in str: 
    s = i + s
print(s)

0955cfa5c1cba7b7bd967cc4837e388b62e8cecc
<mask token>

<mask token>
for i in str:
    s = i + s
print(s)

str = input()
s = ''
for i in str:
    s = i + s
print(s)

str=input()
s=""
for i in str: 
    s = i + s
print(s)
