Morse Code Numbers

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


class MorseCodeNumbers
{
    static void Main()
    {
        string input = Console.ReadLine();

        int digitSum = 0;

        for (int i = 0; i < 4; i++)
        {
            digitSum += input[i] - 48;
        }

        string[] morseCode = { "-----", ".----", "..---", "...--", "....-", "....." };
        int resultsFound = 0;

        for (int i1 = 0; i1 <= 5; i1++)
        {
            for (int i2 = 0; i2 <= 5 ; i2++)
            {
                for (int i3 = 0; i3 <= 5 ; i3++)
                {
                    for (int i4 = 0; i4 <= 5 ; i4++)
                    {
                        for (int i5 = 0; i5 <= 5 ; i5++)
                        {
                            for (int i6 = 0; i6 <=5 ; i6++)
                            {
                                int product = i1 * i2 * i3 * i4 * i5 * i6;

                                if (product == digitSum)
                                {
                                    Console.WriteLine("{0}|{1}|{2}|{3}|{4}|{5}|", morseCode[i1], morseCode[i2], morseCode[i3], morseCode[i4], morseCode[i5], morseCode[i6]);
                                    resultsFound++;
                                }

                            }
                        }
                    }
                }
            }
        }

        if (resultsFound == 0)
        {
            Console.WriteLine("No");
        }

    }
}