Points in House

/*9.Write a program to check whether a point is inside or outside the house below.
 * The point is given as a pair of floating-point numbers, separated by a space.
 * Your program should print "Inside" or "Outside"*/

import java.util.Scanner;

public class PointsInsideTheHouse {

    static double xHRBotL = 12.5;
    static double yHRBotLR = 8.5;
    static double xHRTop = 17.5;
    static double yHRTop = 3.5;
    static double xHRBotR = 22.5;
    static double xDiff = xHRTop - xHRBotL;
    static double yDiff = yHRTop - yHRBotLR;
    static double angleRoof = Math.abs(Math.toDegrees(Math.atan2(yDiff, xDiff)));

    public static boolean CheckAngle (double x, double y){
        boolean isBigger = true;

        if (x < 17.5) {
            double xDiffL = x-xHRBotL;
            double yDiffL = y-yHRBotLR;
            double angle =Math.abs(Math.toDegrees(Math.atan2(yDiffL, xDiffL)));
            if (angle > angleRoof) {
                isBigger= false;
            }
        }
        else {
            double xDiffR = xHRBotR -x;
            double yDiffR = yHRBotLR -y ;
            double angle =Math.abs(Math.toDegrees(Math.atan2(yDiffR, xDiffR)));
            if (angle != 0 && angle > angleRoof) {
                isBigger = false;
            }
        }
        return isBigger;
    }

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        double x,y;

        System.out.println("Enter coords of the point");

        x = input.nextDouble();
        y = input.nextDouble();


        if (x >= 12.5 && x <=17.5 && y>=8.5 && y<=13.5) {
            System.out.println("Inside");
        }
        else if (x >= 20 && x <=22.5 && y>=8.5 && y<=13.5) {
            System.out.println("Inside");
        }
        else if(CheckAngle(x, y) && y >=3.5 && y <= 8.5){
            System.out.println("Inside");
        }
        else {
            System.out.println("Outside");
        }
    }
}