#include<cstdio>
#include<vector>
#include<algorithm>
#include<cctype>
#define MaxB 8192
using namespace std;
int step_count,trap_count,Ptr=0;
char Buf[MaxB];
vector<pair<int,int> > traps,inverted_traps;
int modul(int x){
if(x<0)
return -x;
return x;
}
int GetInt(){
int Ans = 0, Sign = 1;
while(!isdigit(Buf[Ptr]) && Buf[Ptr] != '-')
if(++ Ptr >= MaxB)
fread(Buf, 1, MaxB, stdin), Ptr = 0;
while(isdigit(Buf[Ptr]) || Buf[Ptr] == '-')
{
if(Buf[Ptr] == '-') Sign = -1;
else Ans = Ans * 10 + Buf[Ptr] - '0';
if(++ Ptr >= MaxB)
fread(Buf, 1, MaxB, stdin), Ptr = 0;
}
return Sign * Ans;
}
char GetChar()
{
char Ans;
while(!isupper(Buf[Ptr]))
if(++ Ptr >= MaxB)
fread(Buf, 1, MaxB, stdin), Ptr = 0;
while(isupper(Buf[Ptr]))
{
Ans = Buf[Ptr];
if(++ Ptr >= MaxB)
fread(Buf, 1, MaxB, stdin), Ptr = 0;
}
return Ans;
}
void check(int x,int y){
if(x!=0||y!=0)
traps.push_back(make_pair(x,y));
}
int main(){
freopen("zc.in","r",stdin);
freopen("zc.out","w",stdout);
int x,y,i,dx,dy,step,distance,answer=0;
char enter,direction;
fread(Buf,1,MaxB,stdin);
trap_count=GetInt();
step_count=GetInt();
for(i=1;i<=trap_count;i++){
x=GetInt();
y=GetInt();
check(x,y);
check(x+1,y);
check(x-1,y);
check(x,y-1);
check(x,y+1);
check(x-2,y);
check(x+2,y);
check(x,y-2);
check(x,y+2);
check(x+1,y+1);
check(x-1,y-1);
check(x-1,y+1);
check(x+1,y-1);
}
sort(traps.begin(),traps.end());
trap_count=0;
for(i=1;i<traps.size();++i)
if(traps[i]!=traps[i-1]){
trap_count++;
traps[trap_count]=traps[i];
}
traps.resize(trap_count+1);
for(i=0;i<trap_count;i++)
inverted_traps.push_back(make_pair(traps[i].second,traps[i].first));
sort(inverted_traps.begin(),inverted_traps.end());
x=y=0;
for(step=1;step<=step_count;++step){
direction=GetChar();
distance=GetInt();
if(direction=='N'){
answer=answer+upper_bound(traps.begin(),traps.end(),make_pair(x,y+distance))-lower_bound(traps.begin(),traps.end(),make_pair(x,y+1));
y+=distance;
}
if(direction=='S'){
answer=answer+upper_bound(traps.begin(),traps.end(),make_pair(x,y-1))-lower_bound(traps.begin(),traps.end(),make_pair(x,y-distance));
y-=distance;
}
if(direction=='E'){
answer=answer+upper_bound(inverted_traps.begin(),inverted_traps.end(),make_pair(y,x+distance))-lower_bound(inverted_traps.begin(),inverted_traps.end(),make_pair(y,x+1));
x+=distance;
}
if(direction=='V'){
answer=answer+upper_bound(inverted_traps.begin(),inverted_traps.end(),make_pair(y,x-1))-lower_bound(inverted_traps.begin(),inverted_traps.end(),make_pair(y,x-distance));
x-=distance;
}
}
printf("%d",answer);
return 0;
}