/*
<Applet code="Addition.class" width=300  height=200>
</Applet>
*/
import java.awt.*;
import java.applet.Applet;
public class Addition extends Applet{
    Label prompt;
    TextField input;
    int number;
    int sum;
    public void init(){
       prompt = new Label("Ingresa entero: ");
       input = new TextField(10);
       add(prompt);
       add(input);
       input.requestFocus();
       sum = 0;
    }
    public boolean action(Event e, Object o){
       number = Integer.parseInt(o.toString());
       input.setText("");
       sum=sum+number;
       showStatus(Integer.toString(sum));
       return true;
    }
}