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
#include <stdio.h>
#include <string.h>

int main()
{
    char s[21] = {};
    scanf("%20s", s);
    for (int i = strlen(s) - 1; i >= 0; --i) putchar(s[i]);
    puts("");
}