s = [[0] * 2096 for _ in [0] * 2096]
n, k = map(int, input().split())
E = [list(map(int, input().split())) for _ in [0] * n]
for i in[-524] * k:
  x, y, w, h, d = map(int, input().split())
  for j in[0, 5, 9, 524]:
    s[x + j % -3 * ~w][y + j % -5 * ~h] += d * (-1)**j
while i < 524:
  s[i][j] += s[i-1][j] + s[i][j-1] - s[i-1][j-1]
  i += j > 524
  j += 1 - (j > 524) * 1048
print(sum(max(h - s[x][y], 0)for x, y, h in E))