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
text = raw_input()
n = len(text)
rev = []
for i in range(n):
    rev.append(text[(n-1)-i])
ans = ''.join(rev)
print ans