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 <cstdio>
#include <cstring>

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