import java.util.Scanner;
public class Main {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int i = sc.nextInt();
int a = i / 100;
int b = i % 100 / 10 ;
int c = i % 10;
System.out.println(c * 100 + b * 10 + a);
}
}