#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("poligon.in");
ofstream o("poligon.out");
struct dreapta{int a; int b; int c;};
dreapta a[801];
struct banda{int v[801];};
banda bv[801];
int n,m,v[801][2],x,y,i,j,xu[801],nr,k,sol,sol2,s,xf[801],p,x1,y1,x2,y2;
int cmp(int aa,int b)
{
    int x=xf[i+1]+xf[i];
    x/=2;
    return ((((-1)*x*a[aa].a-a[aa].c)*a[b].b)>(((-1)*x*a[b].a-a[b].c)*a[aa].b));
}
inline int mini(int a,int b)
{
    if (a<b) return a;
    return b;
}
inline int maxi(int a,int b)
{
    if (a<b) return b;
    return a;
}
int main(void)
{
    f>>n>>m;
    for (i=1;i<=n;i++)
    {
        f>>v[i][0]>>v[i][1];
        if (i>1)
        {
            a[i-1].a=v[i-1][1]-v[i][1];
            a[i-1].b=v[i][0]-v[i-1][0];
            a[i-1].c=v[i-1][0]*v[i][1]-v[i-1][1]*v[i][0];
        }
        xu[i]=v[i][0];
    }
    v[i][0]=v[1][0];
    v[i][1]=v[1][1];
    a[i-1].a=v[i-1][1]-v[i][1];
    a[i-1].b=v[i][0]-v[i-1][0];
    a[i-1].c=v[i-1][0]*v[i][1]-v[i-1][1]*v[i][0];
    sort(xu+1,xu+n+1);
    p=0;
    for (i=1;i<=n;i++)
    {
        if (i==1 || xu[i]!=xu[i-1])
            xf[++p]=xu[i];
    }
    for (i=1;i<p;i++)
    {
        for (j=1;j<=n;j++)
        {
            if (mini(v[j][0],v[j+1][0])<=xf[i] && maxi(v[j+1][0],v[j][0])>=xf[i+1])
                bv[i].v[++bv[i].v[0]]=j;
        }
        sort(bv[i].v+1,bv[i].v+bv[i].v[0]+1,cmp);
    }
    for (i=1;i<=m;i++)
    {
        f>>x>>y;
        if (x<xf[1] || x>xf[p]) continue;
        k=1;
        while (k<=p) k*=2;
        k/=2;
        sol=0;
        while (k>0)
        {
            if (sol+k<p && xf[sol+k]<=x) sol+=k;
            k/=2;
        }
        sol2=0;
        k=1;
        while (k<=bv[sol].v[0]) k*=2;
        k/=2;
        while (k>0)
        {
            s=bv[sol].v[sol2+k];
            if (v[s][0]>v[s+1][0])
            {
                x1=v[s+1][0];
                y1=v[s+1][1];
                x2=v[s][0];
                y2=v[s][1];
            }
            else
            {
                x1=v[s][0];
                y1=v[s][1];
                x2=v[s+1][0];
                y2=v[s+1][1];
            }
            if (x1==x2 && sol2+k<=bv[sol].v[0]) {sol2+=k; k/=2; continue;}
            if (sol2+k<=bv[sol].v[0] && x1*y2+x2*y+x*y1-x1*y-x2*y1-x*y2>=0) sol2+=k;
            k/=2;
        }
        if (sol2%2!=0) nr++;
    }
    o<<nr;
    return 0;
}