05. Login

import java.util.Scanner;

public class Login_05 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String username = scanner.nextLine();
        StringBuilder passwordBuilder = new StringBuilder();
        for (int position = username.length() - 1; position >= 0 ; position--) {
            char currentSymbol = username.charAt(position);
            passwordBuilder.append(currentSymbol);
        }

        String password = passwordBuilder.toString();
        String command = scanner.nextLine();
        int count = 0;
        while (!command.equals(password)) {
            count++;
            if(count == 4) {
                System.out.printf("User %s blocked!", username);
                break;
            }
            System.out.println("Incorrect password. Try again.");
             command = scanner.nextLine();
        }
        if(command.equals(password)) {
            System.out.printf("User %s logged in.", username);
        }



    }
}