题解 | #重载运算#

import sys

class Coordinate():
    def __init__(self,x,y) -> None:
        self.x = x
        self.y = y
    
    def __str__(self) -> str:
        return ("({}, {})".format(self.x,self.y))
    
    def __add__(self,other):
        return Coordinate(self.x+other.x, self.y+other.y)
    
x1,y1 = list(map(int,input().split()))
x2,y2 = list(map(int,input().split()))


c1 = Coordinate(x1,y1)
c2 = Coordinate(x2,y2)

c3 = c1.__add__(c2)
print(c3.__str__())