public class Exercise1_1 {
	 /*
	  * 1h enallaktikh  
	  */

		  public static void main(String[] argv){
		  	MyClass myObject = new MyClass();
		  	myObject.d1 = new Double(12.0);
		  	myObject.d2 = new Double(24.0);
		  	myObject.d3 = new Double(myObject.d1.doubleValue()+ myObject.d2.doubleValue());
		    System.out.println(myObject.d1 + "+" + myObject.d2 + "=" + myObject.d3);
		  }

}

	class MyClass {
		 Double d1, d2, d3;
	}