#include <bits/stdc++.h>
using namespace std;
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")
#define pb push_back
#define ll long long
#define sz(s) int(s.size()
#define all(v) v.begin(),v.end()
int mod = 1e8;
const int N = 500 + 10;
const int inf = 2e9;
int a[N][N];
bitset <510> b[N],b1[N],h[N];
signed main(){
//freopen("shuffle.in", "r", stdin);
//freopen("shuffle.out", "w", stdout);
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n,m,sz;
cin >> n >> m >> sz;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
char c;
cin >> c;
if(c == '.') a[i][j] = 1;
b[i][j] = a[i][j];
}
h[i] = b[i];
}
string s;
cin >> s;
for(int st = 0; st < sz; st++){
if(s[st] == 'W'){
for(int i = 1; i <= n; i++){
b1[i] = (b[i] >> 1);
b1[i] &= h[i];
}
}
else if(s[st] == 'E'){
for(int i = 1; i <= n; i++){
b1[i] = (b[i] << 1);
b1[i] &= h[i];
}
}
else if(s[st] == 'N'){
for(int i = 1; i <= n; i++){
b1[i] = b[i + 1];
b1[i] &= h[i];
}
}
else if(s[st] == 'S'){
for(int i = n; i >= 1; i--){
b1[i] = b[i - 1];
b1[i] &= h[i];
}
}
else{
for(int i = 1; i <= n; i++){
b1[i] = ((b[i] << 1) | (b[i] >> 1) | (b[i - 1] | b[i + 1]));
b1[i] &= h[i];
}
}
for(int i = 1; i <= n; i++){
b[i] = b1[i];
}
}
int ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
ans += b[i][j];
}
}
cout << ans;
}
