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 str[21];
int i;
scanf("%s",str);
for(i = strlen(str) - 1;i >= 0;i--){
printf("%c",str[i]);
}
printf("\n");
return(0);
}