import java.util.Scanner;
public class Hello {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        StringBuilder a = new StringBuilder(sc.nextLine());
        StringBuilder b = new StringBuilder(sc.nextLine());
        int counter = 1;
        while (counter!=0)
        {
            if (a.toString().equals(b.reverse().toString())) {
                System.out.println("User logged in.");
            } else {
                System.out.println("Incorrect, try again");
            }
        }

            counter++;
            if (counter == 4) {
                System.out.println("user blocked" );
            }
        }

    }