import sys
input = sys.stdin.readline

H, W, N, M = map(int, input().split())
SLIMES = [list(map(int, input().split())) for _ in range(N)]

grid = [[0]*(W+1) for _ in range(H+1)]
for _ in range(M):
    x, y, b, c = map(int, input().split())
    x -= 1
    y -= 1
    grid[max(0, x-b)][max(0, y-b)] += c
    grid[min(H, x+b+1)][min(W, y+b+1)] += c
    grid[max(0, x-b)][min(W, y+b+1)] -= c
    grid[min(H, x+b+1)][max(0, y-b)] -= c

for h in range(H+1):
    for w in range(1, W+1):
        grid[h][w] += grid[h][w-1]
for h in range(1, H+1):
    for w in range(W+1):
        grid[h][w] += grid[h-1][w]

for h in range(H):
    for w in range(1, W):
        grid[h][w] += grid[h][w-1]
for h in range(1, H):
    for w in range(W):
        grid[h][w] += grid[h-1][w]

ans = N
for t, u, l, r, a in SLIMES:
    t -= 1
    u -= 1
    l -= 1
    r -= 1
    if grid[u][r] + grid[t-1][l-1] - grid[u][l-1] -grid[t-1][r] >= a:
        ans -= 1

print(ans)