#include <bits/stdc++.h>
using namespace std;
#define FIO ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define pb push_back
#define fi first
#define se second
bitset<250005> grid,cur,lft,rgt;
int main(){
FIO
int r,c,m;
cin>>r>>c>>m;
for(int i=0; i<r; i++){
for(int j=0; j<c; j++){
char ch; cin>>ch;
if(ch=='.'){
grid[i*c+j]=1;
if(j!=0) rgt[i*c+j]=1;
if(j!=c-1) lft[i*c+j]=1;
}
}
}
cur=grid;
string s; cin>>s;
for(int i=0; i<m; i++){
if(s[i]=='N') cur=(cur>>c)&grid;
if(s[i]=='S') cur=(cur<<c)&grid;
if(s[i]=='E') cur=(cur<<1)&rgt;
if(s[i]=='W') cur=(cur>>1)&lft;
if(s[i]=='?') cur=((cur>>c)&grid)|((cur<<c)&grid)|((cur<<1)&rgt)|((cur>>1)&lft);
}
cout<<cur.count();
return 0;
}
