/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

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```
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class ParkourGame extends JPanel {

    private int playerX = 100;
    private int playerY = 100;
    private int playerSpeed = 5;

    public ParkourGame() {
        setBackground(Color.BLACK);
        setPreferredSize(new Dimension(800, 600));
        addKeyListener(new KeyListener() {
            @Override
            public void keyTyped(KeyEvent e) {}

            @Override
            public void keyPressed(KeyEvent e) {
                if (e.getKeyCode() == KeyEvent.VK_LEFT) {
                    playerX -= playerSpeed;
                } else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
                    playerX += playerSpeed;
                } else if (e.getKeyCode() == KeyEvent.VK_UP) {
                    playerY -= playerSpeed;
                } else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
                    playerY += playerSpeed;
                }
                repaint();
            }

            @Override
            public void keyReleased(KeyEvent e) {}
        });
        setFocusable(true);
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setColor(Color.WHITE);
        g.fillRect(playerX, playerY, 50, 50);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame("Parkour Game");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(new ParkourGame());
        frame.pack();
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }
}
```