题解 | #重载运算#

"""

"""

class Coordinate(object):

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

    def __str__(self):
        print(f"({self.x}, {self.y})")

    def __add__(self, coordinate2):
        x = self.x + coordinate2.x
        y = self.y + coordinate2.y
        coordinate3 = Coordinate(x, y)
        return coordinate3

num_str1 = input()
num_str2 = input()

num_list1 = [int(str) for str in num_str1.split() ]
num_list2 = [int(str) for str in num_str2.split() ]


c1 = Coordinate(num_list1[0], num_list1[1])
c2 = Coordinate(num_list2[0], num_list2[1])

# c2 = Coordinate(int(input()), int(input()))

c1.__add__(c2).__str__()