import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


H,W,N,M = MI()
slimes = [tuple(MI()) for _ in range(N)]

board = [[0]*(W+2) for _ in range(H+2)]
for _ in range(M):
    X,Y,B,C = MI()
    board[max(1,X-B)][max(1,Y-B)] += C
    board[max(1,X-B)][min(W+1,Y+B+1)] -= C
    board[min(H+1,X+B+1)][max(1,Y-B)] -= C
    board[min(H+1,X+B+1)][min(W+1,Y+B+1)] += C

for i in range(H+1):
    for j in range(1,W+1):
        board[i][j] += board[i][j-1]
for i in range(1,H+1):
    for j in range(W+1):
        board[i][j] += board[i-1][j]

for i in range(H+1):
    for j in range(1,W+1):
        board[i][j] += board[i][j-1]
for i in range(1,H+1):
    for j in range(W+1):
        board[i][j] += board[i-1][j]

ans = 0
for T,U,L,R,A in slimes:
    damage = board[U][R]-board[U][L-1]-board[T-1][R]+board[T-1][L-1]
    if A > damage:
        ans += 1

print(ans)