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( void ){
	int i;
	char s[21];
	for(i=strlen(fgets(s,21,stdin));i--;putchar(s[i]));
puts("");
	return 0;
}