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 a[21];
int main()
{
	while (gets(a))
	{
		for (int i = strlen(a) - 1; i >= 0; i--)
			printf("%c", a[i]);
		printf("\n");
	}
	
	return 0;

}