using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter side 1");  

        int side1 = int.Parse(Console.ReadLine());

        Console.WriteLine("Enter side 2");

        int side2 = int.Parse(Console.ReadLine());

        Console.WriteLine("Enter side 3");

        int side3 = int.Parse(Console.ReadLine());

        if(side1<=0)

            Console.WriteLine("it cant be a triangle");

        if(side2<=0)

            Console.WriteLine("it cant be a triangle");

        if(side3<=0)

            Console.WriteLine("it cant be a triangle");

        else if(side1=side2=side3)

            Console.WriteLine("it is a same side triangle");

    }

}