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[20];
int i,len;
int main(){
	gets(str);
	len = strlen(str);
	for(i=len-1;i>=0;i--){
		printf("%c",str[i]);
	}
	printf("\n");
}