N, K = gets.split.take(2).map(&:to_i)
X, Y, HP = N.times.map{ gets.split.take(3).map(&:to_i) }.transpose
AX, AY, W, H, D = K.times.map{ gets.split.take(5).map(&:to_i) }.transpose
M = 1001
X_MIN, X_MAX = X.minmax
Y_MIN, Y_MAX = Y.minmax

board = M.times.map { [0] * M }
# 座標ごとの総ダメージ
K.times{|i|
  ([X_MIN, AX[i]].max+500..[X_MAX, AX[i]+W[i]].min+500).each{|x|
    ([Y_MIN, AY[i]].max+500..[Y_MAX, AY[i]+H[i]].min+500).each{|y|
      board[x][y] += D[i]
    }
  }
}
# 残り体力の合計
ans = 0
N.times{|i|
  x = X[i] + 500
  y = Y[i] + 500
  ans += [HP[i] - board[x][y], 0].max
}
p ans