#include<bits/stdc++.h>
using namespace std;
ifstream f("regiuni.in");
ofstream g("regiuni.out");
struct pt
{
    int a,b,c;
}v[1<<10];
unordered_set<bitset<1002> > H;
int n,m,x,y,i;
int main()
{
    f>>n>>m;
    for(i=1;i<=n;++i)
        f>>v[i].a>>v[i].b>>v[i].c;
    while(m--)
    {
        f>>x>>y;
        bitset<1002> r;
        for(i=1;i<=n;++i)
            r[i]=(v[i].a*x+v[i].b*y+v[i].c)>0;
        H.insert(r);
    }
    g<<H.size();
    return 0;
}