// Forward Kinematics

import java.util.Scanner;

public class Program1
{
	public static void main(String[] args)
	{
		Scanner scan = new Scanner(System.in);
	
		System.out.print("Please enter angle alpha: ");
		double alpha= scan.nextDouble();

		System.out.print("Please enter angle beta: ");
		double beta= scan.nextDouble();

		// convert alpha and beta to radians
		alpha = (alpha/180.0)*Math.PI;
		beta  = (beta/180.0) *Math.PI;

		double L1 = 0.5;
		double L2 = 0.3;
		double x  = L1*Math.cos(alpha) + L2*Math.cos(alpha+beta);
		double y  = L1*Math.sin(alpha) + L2*Math.sin(alpha+beta);

		System.out.print("The robot's hand is at (x,y) = ");
		System.out.println("(" + x + "," + y + ")");
	}
}