#include<map>
#include<set>
#include<list>
#include<deque>
#include<queue>
#include<stack>
#include<cmath>
#include<ctime>
#include<bitset>
#include<cctype>
#include<cfloat>
#include<cstdio>
#include<memory>
#include<string>
#include<vector>
#include<cassert>
#include<csignal>
#include<cstdlib>
#include<cstring>
#include<numeric>
#include<utility>
#include<iostream>
#include<algorithm>
#include<functional>
#define LL long long
#define PB push_back
#define MAXN 171
#define RPT(I,L,R) for(int I=L;I<R;++I)
#define TPR(I,R,L) for(int I=R;I>=L;--I)
using namespace std;
template<class T> bool Umx(T &A,const T &B)
{
    return B>A?A=B,1:0;
}
template<class T> bool Umn(T &A,const T &B)
{
    return B<A?A=B,1:0;
}
const int inf=~0u>>2;

int n,m,i,j,k;
LL r;
bool cnc[MAXN][MAXN];
int f[MAXN][MAXN];

struct point
{
    LL x,y;
    bool operator < (const point &T) const
    {
        return this->y<T.y || (this->y==T.y && this->x<T.x);
    }
    void read()
    {
        scanf("%I64d%I64d",&x,&y);
    }
} p[MAXN],c[MAXN];

inline LL sqr(LL X)
{
    return X*X;
}
inline LL dot(point A,point B,point O)
{
    return (A.x-O.x)*(B.x-O.x)+(A.y-O.y)*(B.y-O.y);
}
inline LL cross(point A,point B)
{
    return A.x*B.y-B.x*A.y;
}
inline LL cross(point A,point B,point O)
{
    return (A.x-O.x)*(B.y-O.y)-(B.x-O.x)*(A.y-O.y);
}
inline LL dist2(point A,point B)
{
    return sqr(A.x-B.x)+sqr(A.y-B.y);
}

struct cmp
{
    point O;
    cmp(const point &OO):O(OO) {}
    bool operator()(const point &A,const point &B)
    {
        return cross(A,B,O)>0;
    }
};

void init()
{
    memset(f,-1,sizeof f);
    scanf("%d%d%d",&n,&m,&r);
    RPT(i,0,n) p[i].read();
    RPT(i,0,m) c[i].read();
    sort(p,p+n);
    sort(p+1,p+n,cmp(p[0]));
}

bool CrsCcl(point A,point B,point O)
{
    if (sqr(r)>=min(dist2(O,A),dist2(O,B))) return true;
    if (dot(B,O,A)<0ll || dot(A,O,B)<0ll) return false;
    return (double)r*r*dist2(A,B)>=(double)cross(A,B,O)*cross(A,B,O);
}

void Deal_Cnc()
{
    memset(cnc,false,sizeof cnc);
    RPT(i,0,n)
    RPT(j,i+2,n)
    if (!(i==0 && j==n-1))
    {
        cnc[i][j]=cnc[j][i]=true;
        RPT(k,0,n)
        if (CrsCcl(p[i],p[j],c[k]))
        {
            cnc[i][j]=cnc[j][i]=false;
            break;
        }
    }
}

int DP(int L,int R)
{
    if (f[L][R]>0) return f[L][R];
    if (R-L<2) return f[L][R]=0;
    else if (R-L==2) return cnc[L][R];
    int res=0;
    RPT(i,L+1,R) Umx(res,DP(L,i)+DP(i,R));
    return f[L][R]=res+cnc[L][R];
}

int main()
{
    init();
    Deal_Cnc();
    printf("%d\n",DP(0,n-1));
    return 0;
}