Longer Line fixed

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

namespace _9.Longer_Line
{
    class Program
    {
        static void Main(string[] args)
        {
            double x1 = double.Parse(Console.ReadLine());
            double y1 = double.Parse(Console.ReadLine());
            double x2 = double.Parse(Console.ReadLine());
            double y2 = double.Parse(Console.ReadLine());
            double x3 = double.Parse(Console.ReadLine());
            double y3 = double.Parse(Console.ReadLine());
            double x4 = double.Parse(Console.ReadLine());
            double y4 = double.Parse(Console.ReadLine());

            double line1 = Math.Sqrt((x1- x2)*(x1- x2) + (y1- y2)*(y1 - y2));
            double line2 = Math.Sqrt((x3 - x4) * (x3 - x4) + (y3 - y4)*(y3 - y4));

            if (line1 >= line2)
            {
                bool first = true;
                if (Math.Sqrt(x1*x1 + y1*y1) > Math.Sqrt(x2 * x2 + y2 * y2))
                    first = false;
                if (first)
                    Console.WriteLine($"({x1}, {y1})({x2}, {y2})");
                else Console.WriteLine($"({x2}, {y2})({x1}, {y1})");
            }
            else
            {
                bool first = true;
                if (Math.Sqrt(x3 * x3 + y3 * y3) > Math.Sqrt(x4 * x4 + y4 * y4))
                    first = false;
                if (first)
                   Console.WriteLine($"({x3}, {y3})({x4}, {y4})");
                else  Console.WriteLine($"({x4}, {y4})({x3}, {y3})");
            }
        }
    }
}