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
a=[]
str=str(input())
for i in range(len(str)):
    b=str[-(i+1)]
    a.append(b)
a=''.join(a)
print(a)
