#!/usr/bin/python
from itertools import product
myset = (((-315, -315),), ((70, 70), (140, 140)), ((126, 126), (42, 168), (168, 42), (84, 84)), ((120, 30), (30, 120), (150, 150), (60, 60), (180, 90), (90, 180)))
def f(X):
    a = sum(i[0] for i in X)
    b = sum(i[1] for i in X)
    return a * b
print min(f(I) for I in product(*myset) if 0 < f(I))