#include <cstdio>
#include <algorithm>
#include <utility>
#include <vector>
#include <cassert>

using namespace std;

#define pii 	pair<int,int>
#define ff 		first
#define ss 		second
#define maxN 	100100
#define maxM 	2000000
#define all(v) 	v.begin(), v.end()

pii A[maxN], now, next;
vector < pii > X, Y;
int N, M, Nxy, Sol;

void baga_marfa (int x) {
    int i, j;
    for (i = -2; i <= 2; ++ i)
        for (j = -2; j <= 2; ++ j)
            if (abs(i) + abs(j) <= 2 && (A[x].ff + i || A[x].ss + j )) {
                X.push_back(make_pair(A[x].ff + i, A[x].ss + j));
                Y.push_back(make_pair(A[x].ss + j, A[x].ff + i));
            }
}

void do_it (int c, int val) {
    next = now;
    vector < pii > :: iterator it1, it2;
    pii tmp;

    if (c == 'N') {
        next.ss += val;
        it1 = upper_bound(all(X), now);
        it2 = upper_bound(all(X), next);
        Sol += abs(it2 - it1);
    } else if (c == 'S') {
        next.ss -= val;
        tmp = now;
        it1 = lower_bound(all(X), next);
        it2 = lower_bound(all(X), tmp);
        Sol += abs(it2 - it1);
    } else if (c == 'V') {
        next.ff -= val;
        tmp = make_pair ( next.ss, next.ff ) ;/*tmp.ff = next.ss;
        tmp.ss = next.ff;*/
        it1 = lower_bound(all(Y), tmp);
        tmp = make_pair ( now.ss, now.ff ) ;/* tmp.ff = now.ss;
        tmp.ss = now.ff;*/
        it2 = lower_bound(all(Y), tmp);
        Sol += abs(it2 - it1);
    } else {
        next.ff += val;
        tmp = make_pair ( now.ss, now.ff ) ;/*tmp.ff = now.ss;
        tmp.ss = now.ff;*/
        it1 = upper_bound(all(Y), tmp);
        tmp = make_pair ( next.ss, next.ff ) ;/*tmp.ff = next.ss;
        tmp.ss = next.ff;*/
        it2 = upper_bound(all(Y), tmp);
        Sol += abs(it2 - it1);
    }
    now = next;
}
int main () {
    int i, val;
    vector < pii > :: iterator it;
    char c;

    freopen("zc.in", "r", stdin);
    freopen("zc.out", "w", stdout);

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

    for (i = 1; i <= N; ++ i) {
        scanf("%d%d", &A[i].ff, &A[i].ss);
        baga_marfa (i);
    }

    sort (X.begin(), X.end());
    X.resize(unique(X.begin(), X.end()) - X.begin());

    sort (Y.begin(), Y.end());
    Y.resize(unique(Y.begin(), Y.end()) - Y.begin());

    for (; M -- ;) {
        scanf(" %c %d", &c, &val);
        assert(c == 'V' || c == 'E' || c == 'N' || c == 'S');
        do_it (c, val);
    }

    printf("%d\n", Sol);
}