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>
char str[22];

int main(){
	scanf("%s",str);
	for(int i = strlen(str)-1;i >= 0;i--)
		printf("%c",str[i]);
	printf("\n");
	return 0;
}