题解 | #重载运算#

import sys

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

    def __str__(self):
        return f'({self.x}, {self.y})'
    
    def __add__(self,order):
        return Coordinate(self.x+order.x,self.y+order.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__())