help

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

namespace num3
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] s;
            int i = 0;
            s = File.ReadAllLines(@"out.txt");
            foreach (string a in s)
            {
                char[] b = a.ToCharArray();
                char c = Convert.ToChar(" ");
                try
                {
                    if (b[6] != c)
                    {
                        for (int j = 0; j < 5; j++)
                        {
                            if (b[j] == c)
                                if (j == 4) i++;
                            else break;
                        }
                    }
                }
                catch { }
            }
            Console.WriteLine(i);
            Console.ReadKey();
        }
    }
}