class Program01 {
	public static double getTriangleRange(double a, double b, double c) {
		return a + b + c;
	}
	public static doubel getTriangleArea() {
		double s = (a + b + c) /2;
		return Math.sqrt(s*(s-a)*(s-b)*(s-c));
	}
	public static void main(String[] args) {
		System.out.println("Hi");
	}
}