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
n=str(input())
A=len(n)
N=list(n)
B=A//2
for i in range(B):
    N[i],N[A-1-i]=N[A-1-i],N[i]
C=''.join(N)
print(C)
