#include <stdio.h>
#include <time.h>

#define MAXN 1024
#define MOD 2000003

typedef struct dreapta { int a, b, c; } dreapta;
typedef struct point { int x, y; } point;

int N, M, res;
dreapta D[MAXN];
point P[MAXN];
short int cnt[MOD];

int F(dreapta d, point p)
{
    int t = d.a*p.x+d.b*p.y+d.c;
    return t > 0 ? 1 : -1;
}

void solve(void)
{
    int i, j, key, sgn;

    for(i = 1; i <= M; i++)
    {
        for(key = 0, j = 1; j <= N; j++)
        {
            sgn = F(D[j], P[i]);
            if(sgn == 1)
                key = (key*3+2) % MOD;
            else
                key = (key*3+1) % MOD;
        }
        cnt[key]++;
    }
    for(i = 0; i < MOD; i++)
     if(cnt[i])
        res++;
}

void read_data(void)
{
    int i, j;

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

    for(i = 1; i <= N; i++)
        scanf("%d %d %d\n", &D[i].a, &D[i].b, &D[i].c);

    for(i = 1; i <= M; i++)
        scanf("%d %d\n", &P[i].x, &P[i].y);
}

void write_data(void)
{
    printf("%d\n", res);
}

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

    read_data();
    solve();
    write_data();

    return 0;
}