题解 | #重载运算#

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