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

X.sort()
Y.sort()
cx,cy = X[n//2],Y[n//2]

ans = 0
for x,y in zip(X,Y):
	ans += abs(x-cx) + abs(y-cy)
print(ans)