import javax.microedition.lcdui.*;

class KeyWait extends Canvas implements Runnable {
    private Image offImage;
    private Graphics offGraphics;
    private int command;

    KeyWait() {
        offImage = Image.createImage(getWidth(), getHeight());
        offGraphics = offImage.getGraphics();
        push10Key();
        command = 0;
    }

    public synchronized void paint(Graphics g) {
        g.drawImage(offImage, 0, 0, g.LEFT|g.TOP);
    }

    public void cls() {
        offGraphics.setColor(0);
        offGraphics.fillRect(0, 0, getWidth(), getHeight());
    }

    private void push10Key() {
        cls();
        offGraphics.setColor(0x00ffffff);
        offGraphics.drawString("PUSH NUMBER KEY!", 0, 0, offGraphics.LEFT|offGraphics.TOP);
    }

    protected synchronized void keyPressed(int keyCode) {
        command = keyCode;
        Sleep();
    }

    protected void Sleep() {
        try {
            Thread.sleep(100);
        } catch (Exception e) {}
    }

    public void run() {
        while (true) {
            int key = command;
            if ( (key >= KEY_NUM1) && (key <= KEY_NUM9) ) print();
            Sleep();
        }
    }

    private static String str[] = {
        "�¶”ž�¶•Ä�¶—‘",
        "�ŠªŽ†�ÔŠªŽ†‰©ŠªŽ†",
        "—ׂ̋q‚Í‚æ‚­Š`�H‚¤‹q‚¾",
    };

    public void print() {
        cls();
        for (int i=0; i < str.length; i++) {
            offGraphics.setColor(0x00ffffff);
            offGraphics.drawString(str[i], 0, 20*i, offGraphics.LEFT|offGraphics.TOP);
            pushAnyKey();
        }
        push10Key();
        repaint();
        command = 0;
    }

    private void pushAnyKey() {
        offGraphics.setColor(0x00ffffff);
        offGraphics.drawString("PUSH ANY KEY!", 0, 60, offGraphics.LEFT|offGraphics.TOP);
        command = 0;
        repaint();
        while (true) {
            Sleep();
            if (command != 0) break;
        }
    }
}