import java.util.Scanner;
import java.lang.*;
import java.io.*;
import java.util.*;

public class SoftUni {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();

        StringBuilder builder = new StringBuilder();
        builder.append(input);
        builder = builder.reverse();
        String test = scanner.nextLine();
        boolean testing = false;
        while(testing == false)
        {
            if(test.equals(builder))
            {
                break;
            }
            System.out.println("Incorrect password. Try again.");
            test = scanner.nextLine();
        }

        System.out.printf("User %s logged in.", input);
    }
}