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>
int main(void){
    char s[22]={'\n'},*p;
    gets(s+1);
    for(p=s;*++p;);
    for(p--;s<=p;p--)putchar(*p);
    return 0;
}