#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 all(v) v.begin(),v.end()
int mod = 1e8;
const int N = 1e6;
const int inf = 2e9;
int was[300][300];
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,d;
cin >> n >> m >> d;
char a[n + 1][m + 1];
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> a[i][j];
}
}
string s;
cin >> s;
for(int t = 0; t < s.size(); t++){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j] == '#' || was[i][j] == 1) continue;
if(s[t] == 'E'){
if(j + 1 > m || a[i][j + 1] == '#') was[i][j] = 1;
}
else if(s[t] == 'W'){
if(j - 1 < 1 || a[i][j - 1] == '#') was[i][j] = 1;
}
else if(s[t] == 'N'){
if(i - 1 < 1 || a[i - 1][j] == '#') was[i][j] = 1;
}
else{
if(i + 1 > n || a[i + 1][j] == '#') was[i][j] = 1;
}
}
}
}
int ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j] == '#' || was[i][j] == 1) continue;
ans++;
}
}
cout << ans;
}
