#include <bits/stdc++.h>
using namespace std;
int mw[3][3],qp[10][9];
int main(){
    memset(qp,0,sizeof(qp));
    int n,m,x,y,z,ans=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>mw[i][1]>>mw[i][2];
        qp[mw[i][1]][mw[i][2]]=3;
    }
    cin>>m;
    for(int i=1;i<=m;i++){
        cin>>x>>y>>z;
        qp[x][y]=z+1;
    }
    for(int i=1;i<=n;i++){
        x=mw[i][1];
        y=mw[i][2];
        if(y+2<=8&&qp[x][y+1]==0){
            if(qp[x+1][y+2]==2&&x+1<=9){
                ans++;
                qp[x+1][y+2]=1;
            }
            if(qp[x-1][y+2]==2&&x-1>=0){
                ans++;
                qp[x-1][y+2]=1;
            }
        }
        if(x-2>=0&&qp[x-1][y]==0){
            if(qp[x-2][y+1]==2&&y+1<=8){
                ans++;
                qp[x-2][y+1]=1;
            }
            if(qp[x-2][y-1]==2&&y-1>=0){
                ans++;
                qp[x-2][y-1]=1;
            }
        }
        if(y-2>=0&&qp[x][y-1]==0){
            if(qp[x+1][y-2]==2&&x+1<=9){
                ans++;
                qp[x+1][y-2]=1;
            }
            if(qp[x-1][y-2]==2&&x-1>=0){
                ans++;
                qp[x-1][y-2]=1;
            }
        }
        if(x+2<=9&&qp[x+1][y]==0){
            if(qp[x+2][y+1]==2&&y+1<=8){
                ans++;
                qp[x+2][y+1]=1;
            }
            if(qp[x+2][y-1]==2&&y-1>=0){
                ans++;
                qp[x+2][y-1]=1;
            }
        }
    }
    cout<<ans;
    return 0;
}
/**************************************************************
	Problem: 2003
	User: admin
	Language: C++
	Result: Accepted
	Time:108 ms
	Memory:2072 kb
****************************************************************/