using namespace std;
#include <cstdio>
#include <vector>
#include <queue>
#define maxn 1001
#define pb push_back
#define sh short
#include <bitset>
//vector<sh>m[maxn];

//bitset<maxn> H[maxn];
char H[maxn][(maxn/8)+1];

sh int a[maxn], b[maxn], c[maxn],x[maxn],y[maxn];
int M, N;
sh ng[maxn];

void read()
{
	freopen("regiuni.in","r",stdin);
	scanf("%d %d\n", &M, &N);
	int i;
	for(i=1;i<=M;++i) scanf("%d %d %d\n", &a[i], &b[i], &c[i]);
	for(i=1;i<=N;++i) scanf("%d %d\n", &x[i], &y[i]);
}

inline int oki(sh int x, sh int y,  sh int a, sh int b, sh int c)
{
	int t=a*x+b*y+c;
	//if(t==0)return 0;
	if(t<=0) return 0;
	return 1;
}

/*
void solve()
{
	int i, j,k, Nr=1,Nr2, n;
	vector<sh>p, q;
	p.reserve(maxn+1);
	q.reserve(maxn+1);
	for(i=1;i<=N;++i) m[1].pb(i);
	
	
	for(i=1;i<=M;++i)
	{	Nr2=Nr;
		for(j=1;j<=Nr;++j)
			if(m[j].size())
			{
				n=m[j].size();
				p.clear();
				q.clear();
				for(k=0;k<n;++k)
					if(oki(x[m[j][k]], y[m[j][k]], a[i], b[i], c[i])) 
						p.pb(m[j][k]);
					else q.pb(m[j][k]);
				if(p.size()==m[j].size()) ;
				else if(q.size()==m[j].size());
				else
				{
					m[j].clear();
					m[j]=p;
					m[++Nr2]=q;
				}
			}
			Nr=Nr2;
	}

//printf("%d\n", Nr);
Nr2=0;
for(i=1;i<=Nr;++i) if(m[i].size()) ++Nr2; 
printf("%d\n", Nr2);
}
*/
	
void solve2()
{
	int i, j,k, Nr=0,Nr2, n;

	for(i=1;i<=N;++i) H[0][i>>3]|=(1<<(i&7));
	ng[0]=N;
	
	for(i=1;i<=M;++i)
	{	Nr2=Nr;
		for(j=0;j<=Nr;++j)
			if(ng[j])
			{
				n=ng[j];
				char p[maxn/8+1];
				memset(p, 0, sizeof(p));
				int np=0;
				for(k=1;k<=N;++k)
					if(H[j][k>>3]&(1<<(k&7)))
						if(oki(x[k], y[k], a[i], b[i], c[i])) 
							p[k>>3]|=(1<<(k&7)), ++np;
					
					if(np==n || np==0);
					else
					{
						
						for(k=1;k<=N;++k) if(p[k>>3]&(1<<(k&7))) H[j][k>>3]&=~(1<<(k&7));
						++Nr2;
						for(k=1;k<=N;++k) if(p[k>>3]&(1<<(k&7))) H[Nr2][k>>3]|=(1<<(k&7));
						ng[Nr2]=np;
						ng[j]=n-np;
					}
			}
			Nr=Nr2;
	}

//printf("%d\n", Nr);
Nr2=0;
for(i=0;i<=Nr;++i) if(ng[i]) ++Nr2; 
printf("%d\n", Nr2);
	

	
}

int main()
{
	freopen("regiuni.out","w",stdout);
	read();
	//solve();
	solve2();
	return 0;
}