import heapq


class Heapq:
    def __init__(self, lst=[], reverse=False):
        if reverse:
            self.pm = -1
            self.hq = [-l for l in lst]
        else:
            self.pm = 1
            self.hq = lst.copy()
        heapq.heapify(self.hq)
        self.tot = sum(lst)
        self.rm = []
        self.length = len(lst)

    def push(self, x):
        self.length += 1
        heapq.heappush(self.hq, x * self.pm)
        self.tot += x

    def pop(self):
        self.length -= 1
        ret = heapq.heappop(self.hq)
        self.tot -= self.pm * ret
        self.delete()
        return self.pm * ret

    def front(self):
        return self.pm * self.hq[0]

    def remove(self, x):  # 存在しないものを消そうとするとバグる
        self.length -= 1
        self.tot -= x
        heapq.heappush(self.rm, self.pm * x)
        self.delete()

    def delete(self):
        while self.rm and self.rm[0] == self.hq[0]:
            heapq.heappop(self.rm)
            heapq.heappop(self.hq)


class Med_lst:
    def __init__(self, lst=[]):
        inf = 1 << 60
        l = len(lst)
        self.low = Heapq(lst=[-inf] + lst[: (l + 1) // 2], reverse=True)
        self.upp = Heapq(lst=[inf] + lst[(l + 1) // 2 :])
        self.low.tot += inf
        self.upp.tot -= inf
        self.low.length -= 1
        self.upp.length -= 1

    #    def get(self):
    #        return self.low.front()

    def get(self):
        if self.low.length == self.upp.length:
            return (self.low.front() + self.upp.front()) // 2
        else:
            return self.low.front()

    def abs_sum(self):
        med = self.low.front()
        ret = med * self.low.length - self.low.tot
        ret += self.upp.tot - med * self.upp.length
        return ret

    def push(self, x):
        lst = [self.low.pop(), x, self.upp.pop()]
        lst.sort()
        if self.low.length == self.upp.length:
            self.low.push(lst[0])
            self.low.push(lst[1])
            self.upp.push(lst[2])
        else:
            self.low.push(lst[0])
            self.upp.push(lst[1])
            self.upp.push(lst[2])

    def remove(self, x):
        med = self.get()
        if x <= med:
            self.low.remove(x)
            if self.low.length < self.upp.length:
                self.low.push(self.upp.pop())
        else:
            self.upp.remove(x)
            if self.low.length > self.upp.length + 1:
                self.upp.push(self.low.pop())


n = int(input())
X = Med_lst()
Y = Med_lst()
for _ in range(n):
    x, y = map(int, input().split())
    X.push(x)
    Y.push(y)

print(X.abs_sum() + Y.abs_sum())