#include <bits/stdc++.h>
using namespace std;
const int SZ = 502;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cerr.tie(0);
int r, c, m;
cin >> r >> c >> m;
vector<bitset<SZ>> g(r + 2);
for(int i = 1; i <= r; i++){
string t;
cin >> t;
for(int j = 0; j < c; j++){
if(t[j] == '.') g[i][c - j] = 1;
}
//cerr << t << "\n";
//cerr << g[i] << "\n";
}
//for(int i = 0; i <= r + 1; i++) cerr << g[i] << "\n";
string s;
cin >> s;
vector<vector<bitset<SZ>>> dp(2, vector<bitset<SZ>>(r + 2));
int now = 0;
dp[now] = g;
for(char d : s){
now = !now;
for(int i = 1; i <= r; i++) dp[now][i].reset();
if(d == 'S' || d == '?'){
for(int i = 1; i <= r; i++) dp[now][i] |= dp[!now][i - 1];
}
if(d == 'N' || d == '?'){
for(int i = 1; i <= r; i++) dp[now][i] |= dp[!now][i + 1];
}
if(d == 'E' || d == '?'){
for(int i = 1; i <= r; i++) dp[now][i] |= dp[!now][i] >> 1;
}
if(d == 'W' || d == '?'){
for(int i = 1; i <= r; i++) dp[now][i] |= dp[!now][i] << 1;
}
//cerr << "test " << d << "\n";
//for(int i = 0; i <= r + 1; i++) cerr << dp2[i] << "\n";
for(int i = 1; i <= r; i++) dp[now][i] &= g[i];
//cerr << "test " << d << "\n";
//for(int i = 0; i <= r + 1; i++) cerr << dp[i] << "\n";
}
int ans = 0;
for(int i = 1; i <= r; i++){
for(int j = 1; j <= c; j++){
if(dp[now][i][j]) ans++;
}
}
cout << ans << "\n";
return 0;
}
