// The program computes the equation 
// Sin(1.0) + Cos(2.0) + Tan(3.0) + Square Root (15);
// Liang-Jun Zhang
//////////////////

class Eq 
{
     public static void main(String[] args) 
	  {
	  		double result;
			
			result = Math.sin(1.0) + Math.cos(2.0) + Math.tan(3.0) + Math.sqrt(15.0);
			
			System.out.println("The result of the equation is " + result);
			
			System.out.printf("The result (with two decimal places) is %.2f", result);
	  }
}