Variant5 Triangle

import java.util.Scanner;


public class Triangle {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int xA = input.nextInt();
        int yA = input.nextInt();
        int xB = input.nextInt();
        int yB = input.nextInt();
        int xC = input.nextInt();
        int yC = input.nextInt();

        double distAB = getDistance(xA, yA, xB, yB);
        double distAC = getDistance(xA, yA, xC, yC);
        double distBC = getDistance(xB, yB, xC, yC);

        if( distAB + distAC > distBC &&
            distAC + distBC > distAB &&
            distBC + distAB > distAC){

            System.out.println("Yes");
            System.out.printf("%.2f", getArea(distAB, distAC, distBC));
        }else {
            System.out.println("No");
            System.out.printf("%.2f", distAB);
        }

    }

    private static double getDistance(int xA, int yA, int xB, int yB) {
        double dist = Math.sqrt((double)Math.pow((xB - xA), 2) + (double)Math.pow((yB - yA), 2));
        return dist;
    }

    private static double getArea(double distAB, double distAC, double distBC) {
        double p = (distAB + distAC + distBC) / 2;
        double area = Math.sqrt(p * (p - distAB) * (p - distAC) * (p - distBC));
        return area;
    }

}