using System;

public class Program

{

    public static void Main()

    {

        double sideA = 11, sideB = 10, sideC = 10;

        if (sideA == sideB && sideB == sideC) {

            Console.WriteLine("\nEl Triangulo es Equilatero");

        } else if (sideA == sideB || 

                   sideA == sideC || 

                   sideB == sideC) {

            Console.WriteLine("\nEl Triangulo es Isoceles");

        } else {

            Console.WriteLine("\nEl Triangulo es Escaleno");

        }

    }

}