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

namespace LangProgKT3
{

    class Base
    {

        protected internal double n1;
        protected internal double n2;
        protected internal double n3;
        protected internal double n4;
        protected internal double n5;
        protected internal double n6;
        protected internal Base()
        {
            Random rnd = new Random();
            this.n1 = rnd.Next(-10, 10);
            this.n2 = rnd.Next(-10, 10);
            this.n3 = rnd.Next(-10, 10);
            this.n4 = rnd.Next(-10, 10);
            this.n5 = rnd.Next(-10, 10);
            this.n6 = rnd.Next(-10, 10);
        }

        protected internal Base(double n1, double n2, double n3, double n4, double n5, double n6)
        {
            this.n1 = n1;
            this.n2 = n2;
            this.n3 = n3;
            this.n4 = n4;
            this.n5 = n5;
            this.n6 = n6;
        }
        public override string ToString()
        {
            return n1.ToString() + " " + n2.ToString() + " " + n3.ToString() + " "+ n4.ToString() + " "+ n5.ToString() + " "+ n6.ToString() + " ";

        }
    }

    class TwoLinearRelations : Base
    {

        // return  0 - no solve
        // return  1 - one solve
        // return  2 - inf solve
        protected internal int classification()
        {
            if (this.n1 / this.n4 != this.n2 / this.n5)
            {
                return 1;
            }
            if (this.n1 / this.n4 == this.n2 / this.n5 && this.n1 / this.n4 != this.n3 / this.n6)
            {
                return 0;
            }
            if (this.n1 / this.n4 == this.n2 / this.n5 && this.n1 / this.n4 == this.n3 / this.n6)
            {
                return 2;
            }
            return 2;
        }

        protected internal void solve(ref double x, ref double y)
        {
             if(this.classification() != 1)
            {
                Console.WriteLine("no solve or inf solve");
                return;
            }

            double del = this.n1 * this.n5 - this.n4 * this.n2;
            double delX = (-this.n3) * this.n5 - (-this.n6)* this.n2;
            double delY = this.n1 *( -this.n6) - this.n4 * (-this.n3);
            x = delX / del;
            y = delY / del;
        }
        public override string ToString()
        {
            return this.n1.ToString() + "x + (" + this.n2.ToString() + ")y +(" + this.n3.ToString()+ ")=0 , " +
                   this.n4.ToString() + "x + (" + this.n5.ToString() + ")y +(" + this.n6.ToString() + ")=0 ,";

        }
    }
    class Program
    {
        static void Main(string[] args)
        {
            TwoLinearRelations s = new TwoLinearRelations();
            Console.Write(s);
            double x =0, y=0;
            s.solve(ref x, ref y);
            Console.WriteLine();
            Console.WriteLine("x= "+x+"  y= "+y);
            Console.WriteLine();
            Console.ReadLine();
        }
    }
}