using System;

public class Program

{

    public static void Main()

    {

    {

        //Patricio Campa

        double A;

        double B;

        double C;

        Console.WriteLine(" Tell me the lenght of one side of the triangle ");

        A = double.Parse(Console.ReadLine());

        Console.WriteLine(" Tell me the lenght of another side of the  triangle ");

        B = double.Parse(Console.ReadLine());

    Console.WriteLine(" Tell me the lenght of tha last side ");

         C = double.Parse(Console.ReadLine());

        if (A==B && A==C )

        {

            Console.WriteLine(" The triangle is equilateral ");

        }

        else if (A!=B && A!=C && B!=C)

        {

                    Console.WriteLine(" The triangle is scalene ");

        }

        else 

        {

                    Console.WriteLine(" The triangle is isosceles ");

        }

​

​

    }

}

}       

​

​