M=524
s=[[0]*M*4for _ in[0]*M*4]
f=lambda:map(int,input().split())
n,k=f()
E=[f()for _ in[0]*n]
for i in[-M]*k:
 x,y,w,h,d=f()
 for j in[0,5,9,M]:s[x+j%-3*~w][y+j%-5*~h]+=d*(-1)**j
while i<M:s[i][j]+=s[i-1][j]+s[i][j-1]-s[i-1][j-1];i+=j>M;j+=1-(j>M)*2*M
print(sum(max(h-s[x][y],0)for x,y,h in E))