import edu.neu.ccs.demeter.dj.*;
import java.io.*;


class myPrintVisitor extends Visitor{

	public myPrintVisitor(){
		super();
	}

	void before(A host){
		System.out.println("a ");
	}

	void before(D host){ 
        	System.out.println("d ");             
	}

	void before(E host){ 
        	System.out.println("e ");             
	}

	void before(H host){ 
        	System.out.println("h ");             
	}

	void after(A host){
		System.out.println("enda ");
	}

 void before(F host){
                System.out.println("F ");
        }
 void before(G host){
                System.out.println("G ");
        }
 void before(C host){
                System.out.println("C ");
        }




}