/******************************************************************************
 * This program checks a traingle to see if it is a right triangle.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

import org.pureprogrammer.Utils;

public class PythagoreanTheorem {

    public static void main(String[] args) {
        final String HYPOTENUSE_STR = Utils.prompt("Hypotenuse: ");
        final String LEG1_STR = Utils.prompt("Leg #1: ");
        final String LEG2_STR = Utils.prompt("Leg #2: ");
        final double HYPOTENUSE = Utils.stodWithDefault(HYPOTENUSE_STR, 0.);
        final double LEG1 = Utils.stodWithDefault(LEG1_STR, 0.);
        final double LEG2 = Utils.stodWithDefault(LEG2_STR, 0.);

        final boolean IS_RIGHT_TRIANGLE = HYPOTENUSE * HYPOTENUSE == LEG1 * LEG1 + LEG2 * LEG2;
        System.out.println(Utils.join("", "Triangle is ", (IS_RIGHT_TRIANGLE ? "" : "NOT "), "a right triangle!"));
    }
}