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#include <fstream>
#include <unordered_map>
#define VAL 1005
using namespace std;
ifstream fin("regiuni.in");
ofstream fout("regiuni.out");
int N, M, i, j;
int A[VAL], B[VAL];
int C[VAL], X, Y;
string S;
unordered_map <string, bool> Hash;
int main()
{
fin >> N >> M;
for (i=1; i<=N; i++)
fin >> A[i] >> B[i] >> C[i];
for (i=1; i<=M; i++)
{
fin >> X >> Y;
S.clear();
for (j=1; j<=N; j++)
{
if (A[j]*X+B[j]*Y+C[j]>0)
S+='+';
else
S+='-';
}
Hash[S]=true;
}
fout << Hash.size() << '\n';
fin.close();
fout.close();
return 0;
}