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)

for i in range(x // 4 - 1):
    minx = 1000000001
    minxarr = []
    for j in range(len(arr)):
        if arr[j][0] < minx:
            minx = arr[j][0]
            minxarr = []
        if arr[j][0] <= minx:
            minxarr.append(arr[j])
    miny = 1000000001
    index = -1
    for j in range(len(minxarr)):
        if minxarr[j][1] < miny:
            index = j
            miny = minxarr[j][1]
    arr.pop(arr.index(minxarr[index]))


    minx = 1000000001
    minxarr = []
    for j in range(len(arr)):
        if arr[j][1] < minx:
            minx = arr[j][1]
            minxarr = []
        if arr[j][1] <= minx:
            minxarr.append(arr[j])
    miny = -1000000001
    index = -1
    for j in range(len(minxarr)):
        if minxarr[j][0] > miny:
            index = j
            miny = minxarr[j][0]
    arr.pop(arr.index(minxarr[index]))

    minx = -1000000001
    minxarr = []
    for j in range(len(arr)):
        if arr[j][0] > minx:
            minx = arr[j][0]
            minxarr = []
        if arr[j][0] >= minx:
            minxarr.append(arr[j])
    miny = -1000000001
    index = -1
    for j in range(len(minxarr)):
        if minxarr[j][1] > miny:
            index = j
            miny = minxarr[j][1]
    arr.pop(arr.index(minxarr[index]))


    minx = -1000000001
    minxarr = []
    for j in range(len(arr)):
        if arr[j][1] > minx:
            minx = arr[j][1]
            minxarr = []
        if arr[j][1] >= minx:
            minxarr.append(arr[j])
    miny = 1000000001
    index = -1
    for j in range(len(minxarr)):
        if minxarr[j][0] < miny:
            index = j
            miny = minxarr[j][0]
    arr.pop(arr.index(minxarr[index]))

arr.sort(key=lambda a: a[0] * 10000000000 + a[1])

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)))