#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 = 100;
const int inf = 2e9;
int a[N + 1][N + 1][N + 1];
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;
char b[n + 1][m + 1];
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> b[i][j];
if(b[i][j] == '.') a[i][j][0] = 1;
}
}
string g;
cin >> g;
for(int d = 0; d < sz; d++){
if(g[d] == 'W'){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j][d] == 0) continue;
if(j != 1 && b[i][j - 1] == '.')a[i][j - 1][d + 1] = 1;
}
}
}
else if(g[d] == 'E'){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j][d] == 0) continue;
if(j != m && b[i][j + 1] == '.')a[i][j + 1][d + 1] = 1;
}
}
}
else if(g[d] == 'N'){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j][d] == 0) continue;
if(i != 1 && b[i - 1][j] == '.')a[i - 1][j][d + 1] = 1;
}
}
}
else if(g[d] == 'S'){
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j][d] == 0) continue;
if(i != n && b[i + 1][j] == '.')a[i + 1][j][d + 1] = 1;
}
}
}
else{
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
if(a[i][j][d] == 0) continue;
if(i != n && b[i + 1][j] == '.')a[i + 1][j][d + 1] = 1;
if(j != m && b[i][j + 1] == '.')a[i][j + 1][d + 1] = 1;
if(i != 1 && b[i - 1][j] == '.')a[i - 1][j][d + 1] = 1;
if(j != 1 && b[i][j - 1] == '.')a[i][j - 1][d + 1] = 1;
}
}
}
}
int ans = 0;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
ans += a[i][j][sz];
}
}
cout << ans;
}
