Methods-Ex\More\Longer Line

using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;

namespace methods_exerci
{
    class Program
    {
        static void Main(string[] args)
        {

            double point1X = double.Parse(Console.ReadLine());
            double point1Y = double.Parse(Console.ReadLine());
            double point2X = double.Parse(Console.ReadLine());
            double point2Y = double.Parse(Console.ReadLine());
            double point3x = double.Parse(Console.ReadLine());
            double point3Y = double.Parse(Console.ReadLine());
            double point4X = double.Parse(Console.ReadLine());
            double point4Y = double.Parse(Console.ReadLine());

            printLongerLine(point1X, point1Y, point2X, point2Y, point3x, point3Y, point4X, point4Y);
        }

        static double lineLength(double x1, double y1, double x2, double y2)
        {
            return Math.Sqrt(Math.Pow((x2 - x1), 2) + Math.Pow((y2 - y1), 2));
        }

        static double distanceToCenter(double x, double y)
        {
            return Math.Sqrt(Math.Pow((0 - x), 2) + Math.Pow((0 - y), 2));
        }

        static void printClosestPointFirst(double x1, double y1, double x2, double y2)
        {
            if (distanceToCenter(x1, y1) > distanceToCenter(x2, y2))
            {
                Console.Write("(" + x2 + ", " + y2 + ")");
                Console.WriteLine("(" + x1 + ", " + y1 + ")");
            }
            else
            {
                Console.Write("(" + x1 + ", " + y1 + ")");
                Console.WriteLine("(" + x2 + ", " + y2 + ")");
            }
        }

        static void printLongerLine(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
        {
            if (lineLength(x1, y1, x2, y2) >= lineLength(x3, y3, x4, y4))
            {
                printClosestPointFirst(x1, y1, x2, y2);
            }
            else if (lineLength(x1, y1, x2, y2) < lineLength(x3, y3, x4, y4))
            {
                printClosestPointFirst(x3, y3, x4, y4);
            }
        }
    }
}