package{
import flash.display.*;
public class Main extends Sprite{
public function Main(){
var shape:Shape = new Shape ();
shape.graphics.lineStyle(0, 0xFF0000);
shape.graphics.beginFill(0xFFFF00,100);
shape.graphics.lineTo(100, 0);
shape.graphics.lineTo(100, 100);
shape.graphics.lineTo(0, 100);
shape.graphics.lineTo(0, 0);
shape.graphics.endFill();
addChild(shape);
}
}
}