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#include<bits/stdc++.h>
using namespace std;
ifstream in("regiuni.in");
ofstream out("regiuni.out");
struct dreapta
{
int a,b,c;
}v[1111];
int n,m;
set< vector<bool> > SET;
int main()
{
in>>n>>m;
for(int i=0;i<n;++i)
{
in>>v[i].a>>v[i].b>>v[i].c;
}
for(int i=1;i<m;++i)
{
int x,y;
in>>x>>y;
vector<bool> tmp(n);
for(int j=0;j<n;++j)
{
tmp[j]=(v[j].a*x+v[j].b*y+v[j].c>0);
}
SET.insert(tmp);
}
out<<SET.size();
return 0;
}