#UnionFind
from collections import defaultdict

class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        # {0: [0, 2], 1: [1, 3, 4, 5]}
        # 辞書で返す
        # d=uf.all_group_members() で使う
        group_members = defaultdict(list)
        for member in range(self.n):
            group_members[self.find(member)].append(member)
        return group_members

    def __str__(self):
        return '\n'.join(f'{r}: {m}' for r, m in self.all_group_members().items())

def intersect(i,j):
    x1,y1,x2,y2=segs[i]
    p1=(x1,y1)
    p2=(x2,y2)

    x1,y1,x2,y2=segs[j]
    p3=(x1,y1)
    p4=(x2,y2)
    
    tc1 = (p1[0] - p2[0]) * (p3[1] - p1[1]) + (p1[1] - p2[1]) * (p1[0] - p3[0])
    tc2 = (p1[0] - p2[0]) * (p4[1] - p1[1]) + (p1[1] - p2[1]) * (p1[0] - p4[0])
    td1 = (p3[0] - p4[0]) * (p1[1] - p3[1]) + (p3[1] - p4[1]) * (p3[0] - p1[0])
    td2 = (p3[0] - p4[0]) * (p2[1] - p3[1]) + (p3[1] - p4[1]) * (p3[0] - p2[0])
    return tc1*tc2<=0 and td1*td2<=0

n,m=map(int,input().split())
uf=UnionFind(n+m)
segs=[]
for i in range(n):
  y,x1,x2=map(int,input().split())
  segs.append((x1,y,x2,y))

for i in range(m):
  x,y1,y2=map(int,input().split())
  segs.append((x,y1,x,y2))
  
cnt=0
for i in range(n+m):
  for j in range(i+1,n+m):
    if intersect(i,j):
      cnt+=1
      uf.union(i,j)

print(cnt-n-m+uf.group_count())