Output to get sum = 5 in given array of integers, C#

Output to get sum = 5 in given array of integers

//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int[] num = new int[] {1, 3 ,2 ,2 ,5, 1};
           
       int[] number = new int[num.Length];

for (int a = 0; a < num.Count(); a++)
            {
                number[a] = num[a];
            }

int sum;
            bool found = false;

for (int i = 0; i < num.Count(); i++)
            {
                sum = 0;
                for (int j = i; j < num.Count(); j++)
                {
                    sum = sum + number[j];
                    if (sum == 5)
                    {

found = true;

for (int k = i; k < j; k++)
                        {
                            Console.Write("{0} + ", number[k]);
                        }
                        Console.Write(number[j]);
                        Console.Write(" = 5\n");
                    }
                }
            }
            if (found == false)
            {
                Console.WriteLine("no zero subset\n\n");
            }
        }
    }
}


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