from PIL import Image

image = Image.open("16x16y.jpg")
shifted_image = Image.open("shifted_16x16y.jpg")

X, Y = 16, 16

value = {"RED": 0, "GREEN": 0, "BLUE": 0}
shifted_value = {"SHIFTED_RED": 0, "SHIFTED_GREEN": 0, "SHIFTED_BLUE": 0}

for x in range(1, X - 2):
    for y in range(1, Y - 2):
        pixelRGB_00 = image.getpixel((x, y))
        pixelRGB_01 = image.getpixel((x, y - 1))
        pixelRGB_10 = image.getpixel((x - 1, y))
        pixelRGB_11 = image.getpixel((x - 1, y - 1))
        r00, g00, b00 = pixelRGB_00
        r01, g01, b01 = pixelRGB_01
        r10, g10, b10 = pixelRGB_10
        r11, g11, b11 = pixelRGB_11
        domain_RED = r00 + r01 + r10 + r11
        domain_GREEN = g00 + g01 + g10 + g11
        domain_BLUE = b00 + b01 + b10 + b11
        value["RED"] = domain_RED
        value["GREEN"] = domain_GREEN
        value["BLUE"] = domain_BLUE

r00, r01, r10, r11, g00, g01, g10, g11, b00, b01, b10, b11 = 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

for shifted_x in range(0, X - 1):
    for shifted_y in range(0, Y - 1):
        shifted_pixelRGB_00 = shifted_image.getpixel((shifted_x, shifted_y))
        shifted_pixelRGB_01 = shifted_image.getpixel((shifted_x, shifted_y - 1))
        shifted_pixelRGB_10 = shifted_image.getpixel((shifted_x - 1, shifted_y))
        shifted_pixelRGB_11 = shifted_image.getpixel((shifted_x - 1, shifted_y - 1))
        r00, g00, b00 = shifted_pixelRGB_00
        r01, g01, b01 = shifted_pixelRGB_01
        r10, g10, b10 = shifted_pixelRGB_10
        r11, g11, b11 = shifted_pixelRGB_11
        shifted_domain_RED = r00 + r01 + r10 + r11
        shifted_domain_GREEN = g00 + g01 + g10 + g11
        shifted_domain_BLUE = b00 + b01 + b10 + b11
        shifted_value["SHIFTED_RED"] = shifted_domain_RED
        shifted_value["SHIFTED_GREEN"] = shifted_domain_GREEN
        shifted_value["SHIFTED_BLUE"] = shifted_domain_BLUE

print(str(value), str(shifted_value))