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
s=raw_input()
rev = ""
for x in xrange(len(s),0,-1):
    rev=rev+s[x-1]
print rev