TheSongsOfTheWheels

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TheSongOfThe
{
    class TheSongOfThe
    {
        static void Main(string[] args)
        {
            int controlValue = int.Parse(Console.ReadLine());
            int password = 0;
            string pass = string.Empty;

            for (int a = 1; a <= 9; a++)
            {
                for (int b = 1; b <= 9; b++)
                {
                    for (int c = 1; c <= 9; c++)
                    {
                        for (int d = 1; d <= 9; d++)
                        {
                            if (a < b && c > d && (a * b + c * d) == controlValue)
                            {
                                Console.Write($"{a}{b}{c}{d} ");
                                password++;
                            }
                            if (password == 4)
                            {
                                pass = ($"{a}{b}{c}{d}");
                            }
                        }
                    }
                }
            }
            Console.WriteLine();

            if (password < 4)
            {
                Console.WriteLine("No!");
            }
            else
            {
                Console.WriteLine($"Password: {pass}");
            }
        }
    }
}