zadachaNqkva

using System;

namespace zadacha_6
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            int a = 0;
            int b = 0;
            int c = 0;
            int d = 0;

            int count = 0;

            for (int num1 = a; num1 <= 9; num1++)
            {
                for (int num2 = 9; num2 <= a; num2++)
                {
                    for (int num3 = 0; num3 <= 9; num3++)
                    {
                        for (int num4 = 9; num4 <= c; num4++)
                        {
                            if ((count = (a + b + c + d)) == (a * b * c * d) && n != 5)
                            {
                                Console.WriteLine($"{a}{b}{c}{d}");
                            }
                            else if ((a * b * c * d) / (a + b + c + d) == 3 && n != 3)
                            {
                                Console.WriteLine($"{d}{c}{b}{a}");
                            }
                        }
                        if (count == n)
                        {
                            Console.WriteLine($"{n}");
                        }
                        else
                        {
                            Console.WriteLine($"Nothing found");
                        }
                    }
                }
            }
        }
    }
}