n = int(input())
x, y = [], []
for _ in range(n):
    xi, yi = map(int, input().split())
    x.append(xi)
    y.append(yi)
x.sort()
y.sort()
xc, yc = x[n // 2], y[n // 2]
ans = sum(abs(xi - xc) for xi in x) + sum(abs(yi - yc) for yi in y)
print(ans)