#include<cstdio>
#include<vector>
#include<list>
using namespace std;
list<vector<pair<int,int> > > S;
vector<pair<int,int> > V,VV;
int a[1010],b[1010],c[1010],i,n,m,x,y,SOL,j;
int main()
{
    freopen("regiuni.in","r",stdin);
    freopen("regiuni.out","w",stdout);
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)scanf("%d%d%d",&a[i],&b[i],&c[i]);
    for(i=1;i<=m;i++)
    {
        scanf("%d%d",&x,&y);
        V.push_back(make_pair(x,y));
    }
    SOL=1;
    S.push_back(V);
    V.resize(0);
    for(i=1;i<=n;i++)
    {
        list<vector<pair<int,int> > >::iterator it=S.begin();
        m=S.size();
        for(;m;--m)
        {
            it=S.begin();
            for(vector<pair<int,int> >::iterator jt=(*it).begin();jt!=(*it).end();jt++)
            {
                x=jt->first;y=jt->second;
                if(a[i]*x+b[i]*y+c[i]>0)V.push_back(make_pair(x,y)); else VV.push_back(make_pair(x,y));
            }
            if(V.size()&&VV.size())SOL+=1;
            if(V.size())S.push_back(V);
            V.resize(0);
            if(VV.size())S.push_back(VV);
            VV.resize(0);
            S.pop_front();
        }
    }
    printf("%d\n",SOL);
}