using System;

​

public class Program

{

    public static void Main()

    {

        double side1, side2, side3;

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

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

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

        if (side1 == side2 && side2 == side3)

            Console.WriteLine("yes");

        else

            Console.WriteLine("no");

        if (side1 == side2 || side2 == side3 || side1 == side3)

            Console.WriteLine("yes");

        else

            Console.WriteLine("no");

        //pitagoras:

        if ((Math.Pow(side1, 2)) + (Math.Pow(side2, 2)) == (Math.Pow(side3, 2)) || (Math.Pow(side1, 2)) + (Math.Pow(side3, 2)) == (Math.Pow(side2, 2)) || (Math.Pow(side2, 2)) + (Math.Pow(side3, 2)) == (Math.Pow(side1, 2)))

            Console.WriteLine("yes");

        else

            Console.WriteLine("no");

    }

}