a = list(map(int, input().split()))

b = int(input())

c = list(map(int, input().split()))

for i in range(1, b):

d = list(map(int, input().split()))
for j in range(0, 3):
    if d[j] < c[j]:
        c[j] = d[j]
for j in range(3, 6):
    if d[j] > c[j]:
        c[j] = d[j]

Sum = a[0] * a[1] * a[2]

if c[0] <= 1: c[0] = 1

if c[1] <= 1: c[1] = 1

if c[2] <= 1: c[2] = 1

minus = (c[3] - c[0] + 1) * (c[4] - c[1] + 1) * (c[5] - c[2] + 1)

print(Sum - minus)

不知道是算法错了还是啥，看了之前的求助，也把x1,y1,z1等于0情况考虑了，但还是全部WA