N = int(input())
A = [list(map(int, input().split())) for _ in range(N)]

X = sorted(a[0] for a in A)
Y = sorted(a[1] for a in A)
x = X[N//2]
y = Y[N//2]
ans = sum(abs(x-a) for a in X)+sum(abs(y-a) for a in Y)
print(ans)