using System;

class Program {
    static void Main(string[] args) {
        while (true) {
            // Get the current time
            DateTime now = DateTime.Now;

            // Get the deadline from the user
            Console.WriteLine("Enter the deadline for the project submission (YYYY MM DD HH MM): ");
            DateTime deadline = DateTime.ParseExact(Console.ReadLine(), "yyyy MM dd HH mm", null);

            // Calculate the remaining time
            TimeSpan remainingTime = deadline - now;

            // Check if the deadline has passed
            if (remainingTime.TotalSeconds < 0) {
                Console.WriteLine("The deadline has passed.");
            } else {
                // Calculate the remaining time in days, hours, minutes, and seconds
                int remainingDays = (int)remainingTime.TotalDays;
                int remainingHours = remainingTime.Hours;
                int remainingMinutes = remainingTime.Minutes;
                int remainingSeconds = remainingTime.Seconds;

                // Display the remaining time
                Console.WriteLine("The deadline has not passed.");
                Console.WriteLine("Remaining time: {0} days, {1} hours, {2} minutes, {3} seconds", remainingDays, remainingHours, remainingMinutes, remainingSeconds);
            }

            // Ask the user if they want to continue
            Console.WriteLine("Do you want to check another deadline? (Y/N)");
            string answer = Console.ReadLine();

            // Exit the loop if the user chooses to quit
            if (answer.ToLower() == "n") {
                break;
            }
        }
    }
}