#include <bits/stdc++.h>
using namespace std;
int str(vector<pair<int, int>>& cord, int stolb){
    int n=(int) cord.size();
    int l=-1;
    int r=n;
    while(r-l>1){
        int m=(l+r)/2;
        if (cord[m].first<=stolb){
            l=m;
        }else{
            r=m;
        }
    }
    return cord[l].second;
}
int main(){
    int p;
    cin>>p;
    vector<pair<int, int>> cord1;
    vector<pair<int, int>> cord2;
    int x, y;
    cin>>x>>y;
    cord1.push_back({x, y});
    cord2.push_back({x, y});
    pair<int, int> cur={x, y};
    vector<pair<int, int>> fish(p);
    for (int i=0; i<p; i++){
        cin>>fish[i].first>>fish[i].second;
    }
    while(true){
        char p;
        cin>>p;
        if (p=='+'){
            int q;
            cin>>q;
            cur.second+=q;
            cord1.push_back(cur);
        }
        if (p=='-'){
            int q;
            cin>>q;
            cur.first+=q;
            cord1.push_back(cur);
        }
        if (p=='0'){
            break;
        }
    }
    cur={x, y};
    while(true){
        char p;
        cin>>p;
        if (p=='+'){
            int q;
            cin>>q;
            cur.second+=q;
            cord2.push_back(cur);
        }
        if (p=='-'){
            int q;
            cin>>q;
            cur.first+=q;
            cord2.push_back(cur);
        }
        if (p=='0'){
            break;
        }
    }
    int cnt=0;
    for (int i=0; i<p; i++){
        int stolb=fish[i].first;
        int str1=str(cord1, stolb);
        int str2=str(cord2, stolb);
        if (min(str1, str2)<=fish[i].second && max(str1, str2)>=fish[i].second){
            cnt++;
        }
    }
    cout<<cnt<<"\n";
    return 0;
}