using System;

public class Program

{

    public static void Main()

    {

        //Console.WriteLine("Hello World");

        var x = float.Parse(Console.ReadLine());

        var y = float.Parse(Console.ReadLine());

        var z = float.Parse(Console.ReadLine());

        Console.WriteLine(Valid(x,y,z));

    }

    public static bool Valid(float x, float y, float z){

        if (Pythag(x,y) % 1 != 0) return false;

        if (Pythag(z,x) % 1 != 0) return false;

        if (Pythag(z,y) % 1 != 0) return false;

        return true;

    }

    public static float Pythag(float x, float y){

        return (float)Math.Sqrt(x * x + y * y);

    }

}