import sys
input = sys.stdin.readline
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()
ans=0
for i in X:
  ans+=abs(X[n//2]-i)
for i in Y:
  ans+=abs(Y[n//2]-i)
print(ans)