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

array = map(str, raw_input())


sum = ''
for i in range(len(array)):
    sum = sum + array[-(1+i)]

print sum