题解 | #重载运算#

class Coordinate:
    def __init__(self,x,y):
        self.x = int(x)
        self.y = int(y)
    def __str__(self):
        print("({},{})".format(self.x,self.y))
    def __add__(self,other):
        return Coordinate(self.x + other.x,self.y + other.y)

if __name__ == "__main__":
    x1,y1 = input().split(" ")
    x2,y2 = input().split(" ")
    coor1 = Coordinate(x1,y1)
    coor2 = Coordinate(x2,y2)
    coor3 = coor1.__add__(coor2)
    print("({}, {})".format(coor3.x,coor3.y))