# coding: utf8
import Image

if __name__ == '__main__':
    im = Image.open('afterimage.gif')

    try:
        while True:
            im.save('afterimage/afterimage_' + str(im.tell()) + '.gif')
            im.seek(im.tell() + 1)
    except EOFError:
        pass

    new = Image.new('RGB', (164, 164), 'white')

    for i in xrange(49):
        im = Image.open('afterimage/afterimage_' + str(i) + '.gif')

        for x in xrange(164):
            for y in xrange(164):
                pixel = im.getpixel((x, y))

                if pixel != 0:
                    new.putpixel((x, y), (0, 0, 0))

    new.save('afterimage_result.gif')