Write a program which reverses a given string str.



Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Example

Input

w32nimda


Output

admin23w
moji=str(input())

mojiretu=[]

for i in moji:
    mojiretu.append(i)

for j in reversed(range(0,len(mojiretu))):
    print(mojiretu[j],end="")
print()

