import statistics


N = int(input())

X = []
Y = []
for _ in range(N):
    x, y = map(int, input().split())
    X.append(x)
    Y.append(y)

X.sort()
Y.sort()

a, b = statistics.median(X), statistics.median(Y)
a, b = int(a), int(b)

ans = 0
for x, y in zip(X, Y):
    ans += abs(x-a) + abs(y-b)

print(ans)