#include <bits/stdc++.h>
#define PB push_back
#define ST first
#define ND second
#define _ ios_base::sync_with_stdio(0); cin.tie(0);
//mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
using namespace std;
using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;
const int nax = 502;
int r,c,m;
string s;
bitset<nax>dp[nax], mp[nax], tmp[nax];
int main() {_
cin >> r >> c >> m;
for(int i = 1; i <= r; ++i) {
for(int j = 1; j <= c; ++j) {
char t;
cin >> t;
if(t == '.') {
dp[i].set(j);
mp[i].set(j);
}
}
}
cin >> s;
for(int i = 0; i < m; ++i) {
if(s[i] == 'N') {
for(int j = 1; j <= r; ++j) {
dp[j] = (dp[j+1] & mp[j]);
}
} else if(s[i] == 'S') {
for(int j = r; j >= 1; --j) {
dp[j] = (dp[j-1] & mp[j]);
}
} else if(s[i] == 'W') {
for(int j = 1; j <= r; ++j) {
dp[j] = ((dp[j] >> 1) & mp[j]);
}
} else if(s[i] == 'E') {
for(int j = 1; j <= r; ++j) {
dp[j] = ((dp[j] << 1) & mp[j]);
}
} else {
for(int j = 1; j <= r; ++j) {
tmp[j] = (((dp[j] << 1) | (dp[j] >> 1) | (dp[j+1]) | (dp[j-1])) & mp[j]);
}
for(int j = 1; j <= r; ++j) {
dp[j] = tmp[j];
}
}
}
int ans = 0;
for(int i = 1; i <= r; ++i) {
ans += dp[i].count();
}
cout << ans;
}
