Problem 12. * Zero Subset

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

namespace _13.LoopSubset
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("5 numbers on 1 row, separated by spaces, please :)");
            string numbersString = Console.ReadLine();


            string[] numbersStringArray = numbersString.Split(' ');
            int[] numbers = new int[numbersStringArray.Length];
            for (int i = 0; i < numbers.Length; i++)
            {
                numbers[i] = Int32.Parse(numbersStringArray[i]);
            }


            for(int a = 0; a < numbers.Length; a++)
            {
                for (int b = a + 1; b < numbers.Length; b++)
                {
                    for (int c = b + 1; c < numbers.Length; c++)
                    {
                        for (int d = c + 1; d < numbers.Length; d++)
                        {
                            for (int e = d + 1; e < numbers.Length; e++)
                            {
                                if(numbers[a] + numbers[b] + numbers[c] + numbers[d] + numbers[e] == 0)
                                {
                                    Console.WriteLine("{0} + {1} + {2} + {3} + {4} = 0", numbers[a], numbers[b], numbers[c], numbers[d], numbers[e]);
                                }
                            }
                            if (numbers[a] + numbers[b] + numbers[c] + numbers[d] == 0)
                            {
                                Console.WriteLine("{0} + {1} + {2} + {3} = 0", numbers[a], numbers[b], numbers[c], numbers[d]);
                            }
                        }
                        if (numbers[a] + numbers[b] + numbers[c] == 0)
                        {
                            Console.WriteLine("{0} + {1} + {2} = 0", numbers[a], numbers[b], numbers[c]);
                        }
                    }
                    if (numbers[a] + numbers[b] == 0)
                    {
                        Console.WriteLine("{0} + {1} = 0", numbers[a], numbers[b]);
                    }
                }
            }



        }
    }
}