Reverse Sequence

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

inputFormat

Input

str (the size of str ≤ 20) is given in a line.

outputFormat

Output

Print the reversed str in a line.

Example

Input

w32nimda

Output

admin23w

样例

w32nimda

admin23w