using System;

public class Program

{

    public static void Main()

    {

        int side1, side2, side3;

        Console.WriteLine("enter two numbers ");

        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) && (side1!=side3)) || ((side1 == side3) && (side1!= side2)) || ((side2 == side3) && (side1!= side2)))

            Console.WriteLine(" YES");

        else 

            Console.WriteLine("NO");

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

            Console.WriteLine(" YES");

        else 

            Console.WriteLine("NO");

    }

}