class Point():
    def __init__(self, x, y):
        self.x = x
        self.y = y


def GetAreaOfPolyGon(points_x, points_y):
    points = []
    for index in range(len(points_x)):
        points.append(Point(points_x[index], points_y[index]))
    area = 0
    if (len(points) < 3):