def calculate_width(vertice):
    if vertice == None: return 0
    return 1 + calculate_width(vertice[1]) + calculate_width(vertice[2])

def calculate_height(vertice):
    if vertice == None: return 0
    return 1 + max(calculate_height(vertice[1]), calculate_height(vertice[2]))

def calculate_size(vertice):
    return calculate_width(vertice), calculate_height(vertice)