from math import *
x =  int(input())
arr = []
for i in range(x):
    line = input()
    nums = [int(i) for i in line.split()]
    arr.append(nums)

x = sum([i[0] for i in arr])
y = sum([i[1] for i in arr])
arr.sort(key=lambda a: abs(abs(a[0] - x) + abs(a[1] - y)))
ax = arr[0][0] - arr[1][0]
ay = arr[0][1] - arr[1][1]
bx = arr[0][0] - arr[2][0]
by = arr[0][1] - arr[2][1]

print(round(sqrt(ax**2 + bx**2) * sqrt(ay**2 + by**2)))