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(){
int n=0;
char a[1000];
for(int i=0;i<1000;i++)a[i]='\0';
scanf("%s",a);
while(a[n]!='\0')n++;
for(int i=n-1;i>=0;i--)printf("%c",a[i]);
printf("\n");
}