class Coordinate:

    # initialize x and y attributes inside __init__()
    def __init__(self,x,y):
        self.x=x
        self.y=y
        

    # define the add_coordinates() method
    @staticmethod
    def add_coordinates(c1, c2):
        return Coordinate(c1.x+c2.x, c1.y+c2.y)