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

X = [x for x, y in XY]
Y = [y for x, y in XY]
X.sort()
Y.sort()

mx, my = X[N//2], Y[N//2]
ans = 0
for x, y in XY:
    ans += abs(x-mx)+abs(y-my)

print(ans)