题解 | #重载运算#

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,other):
        return Coordinate(self.x + other.x,self.y + other.y)


a,b = map(int,input().split())
c,d = map(int,input().split())

c1 = Coordinate(a,b)
c2 = Coordinate(c,d)

print(c1 + c2)