PE13

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Numerics;
// requires digits.txt to be in the right place
namespace Euler13
{
    class Program
    {
        static BigInteger sum = 0;
        static void Main(string[] args)
        {
            using (StreamReader read = new StreamReader("C:\\Users\\tombu\\Desktop\\digits.txt")) // load the file into read
            {
                while (!read.EndOfStream) // scan the fine
                {
                    string line = read.ReadLine(); // get each line
                    BigInteger num;
                    bool success = BigInteger.TryParse(line, out num); // try to turn it to a big integer and store in num
                    sum += num; // find the sum
                }
            }
            Console.WriteLine(sum);
            Console.ReadLine();
        } // end of main
    }
}