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()
ax = X[N//2]
ay = Y[N//2]
ans = 0
for i in range(N):
    x,y = X[i],Y[i]
    ans += abs(x-ax)+abs(y-ay)
print(ans)