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
str=raw_input()
str2=""
for i in range(len(str)-1,-1,-1):
    str2+=str[i]
print str2
    