#include <cstdio>
#include <algorithm>

using namespace std;

#define MAXN 512

int N, M;
short A[MAXN], B[MAXN], C[MAXN];

short o[MAXN];
unsigned char smn[MAXN][MAXN];

inline void set1( int x, int y ) { smn[x][y >> 3] |= (1 << (y & 7)); }

inline bool semn( short A, short B, short C, int x, int y )
{
	int D = ((int)A * x + (int)B * y + (int)C);

	if (D > 0) return true;
	return false;
}

inline int cmp( short a, short b )
{
	for (int i = 0; i < (N + 7) / 8; i++)
		if (smn[a][i] != smn[b][i])
			return smn[a][i] < smn[b][i];
	return 0;
}

inline int eq( short a, short b )
{
	for (int i = 0; i < (N + 7) / 8; i++)
		if (smn[a][i] != smn[b][i])
			return 0;
	return 1;
}

int main()
{
	freopen("regiuni.in", "rt", stdin);
	freopen("regiuni.out", "wt", stdout);

	scanf("%d %d", &N, &M);

	for (int i = 0; i < N; i++)
		scanf("%hd %hd %hd", A + i, B + i, C + i);

	for (int i = 0; i < M; i++)
	{
		int X, Y;
		scanf("%d %d", &X, &Y);

		for (int j = 0; j < N; j++)
			if ( semn( A[j], B[j], C[j], X, Y ) )
				set1( i, j );
		o[i] = i;
	}

	sort(o, o + M, cmp);
	int nM = unique( o, o + M, cmp ) - o + 1;

	printf("%u\n", nM);
	return 0;
}