// demo of this, OC.this, and scope

public class Memberclass2 {
    public static void main(String[] args) {

	new OC().new IC().print();

    }
}

class OC {

    private int x = 1;
    private int y = 2;

    public class IC {
	private int x = 3;
	private int y = 4;

	public void print() {

	    // 3 + 1 -> 4
	    System.out.println(this.x+OC.this.x); 
	    // 4 + 4 -> 8
	    System.out.println(y+this.y);         
	}
    }
    
}