import pygame
import math

# Define the dimensions of the flag
WIDTH, HEIGHT = 640, 480

# Define the colors
RED = (255, 0, 0)
WHITE = (255, 255, 255)
BLUE = (0, 0, 255)

# Initialize Pygame
pygame.init()

# Create the display
screen = pygame.display.set_mode((WIDTH, HEIGHT))

# Fill the screen with white
screen.fill(WHITE)

# Draw the red stripes
for i in range(13):
    pygame.draw.rect(screen, RED, (0, i*HEIGHT//13, WIDTH, HEIGHT//13))

# Draw the blue rectangle
pygame.draw.rect(screen, BLUE, (0, 0, WIDTH//2, HEIGHT//7))

# Draw the white stars
star_points = []
for i in range(5):
    angle = math.radians(-18 + i * 72)
    x = int(WIDTH / 4 + math.cos(angle) * WIDTH / 10)
    y = int(HEIGHT / 14 + math.sin(angle) * HEIGHT / 28)
    star_points.append((x, y))
    angle += math.radians(36)
    x = int(WIDTH / 4 + math.cos(angle) * WIDTH / 20)
    y = int(HEIGHT / 14 + math.sin(angle) * HEIGHT / 40)
    star_points.append((x, y))
for i in range(9):
    for j in range(6):
        if (i + j) % 2 == 0:
            x = int(WIDTH / 8 + i * WIDTH / 16)
            y = int(HEIGHT / 14 + j * HEIGHT / 10)
            pygame.draw.polygon(screen, WHITE, star_points, int(HEIGHT / 28), (x, y))

# Update the screen
pygame.display.update()

# Wait for the user to close the window
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            exit()