def gemello(p1,p2):
    #@param p1,p2: pixel
    #@return bool
    return getRed(p1)+getGreen(p1)+getBlue(p1)==getRed(p2)+getGreen(p2)+getBlue(p2)

def gemelloPerOgni(pix,S):
    #@param pix: pixel
    #@param S: sequenza di pixel
    #@return bool
    for p in S:
        if not gemello(pix,p):
           return False
    return True

def existPixel(pic1,pic2):
    #@param pic1: picture
    #@param pic2: picture
    #@return bool
    seq1=getPixels(pic1)
    seq2=getPixels(pic2)
    for px in seq1:
        if gemelloPerOgni(px,seq2):
           return True
    return False

def start():
    pic1=makePicture(pickAFile())
    pic2=makePicture(pickAFile())
    c=existPixel(pic1,pic2)
    print c