using System;

public class Program

{

    public static void Main()

    {

        //Yaretzi

        int num;

        int num2;

        int num3;

        Console.WriteLine("Hello! Please write the length of the side of a triangle");

        num = int.Parse(Console.ReadLine());

        Console.WriteLine("Please write the second lenght");

        num2 = int.Parse(Console.ReadLine());

        Console.WriteLine("Please write the third lenght");

        num3 = int.Parse(Console.ReadLine());

        if(num == num2 || num == num3 || num2 == num3)

        {

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

        }

        else if(num>num3 & num2>num3)

        {

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

        }

        else if(num<num2 & num<num3)

        { 

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

        }

​

​

​

    }

}