Exact sum of real numbers

using System;
using System.Numerics;

namespace Exact_real_number_sum
{
    class Program
    {
        static void Main(BigInteger[] numero)
        {
            BigInteger number = BigInteger.Parse(Console.ReadLine());
            BigInteger actual = 0;

            for (int i = 0; i < number; i++)
            {
                BigInteger n = BigInteger.Parse(Console.ReadLine());
                actual += n;
            }

            Console.WriteLine(actual);
        }
    }
}