#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define ll long long
#define all(x) (x).begin(), (x).end()
const int mxn = 510;
bitset<mxn> dp[mxn][2], v[mxn];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m, k;
cin >> n >> m >> k;
for (int i = 0; i < n; i++) {
string s;
cin >> s;
for (int j = 0; j < m; j++) v[i][j] = (s[j] == '.');
}
for (int i = 0; i < n; i++) dp[i][0] = v[i];
string s;
cin >> s;
for (int i = 0; i < k; i++) {
for (int j = 0; j < n; j++) dp[j][1] = dp[j][0];
if (s[i] == 'N') {
dp[n - 1][0] = 0;
for (int j = 0; j < n - 1; j++) dp[j][0] = dp[j + 1][1];
}
if (s[i] == 'E') {
for (int j = 0; j < n; j++) dp[j][0] = (dp[j][1] << 1);
}
if (s[i] == 'S') {
dp[0][0] = 0;
for (int j = 1; j < n; j++) dp[j][0] = dp[j - 1][1];
}
if (s[i] == 'W') {
for (int j = 0; j < n; j++) dp[j][0] = (dp[j][1] >> 1);
}
if (s[i] == '?') {
dp[n - 1][0] = 0;
for (int j = 0; j < n - 1; j++) dp[j][0] = dp[j + 1][1];
for (int j = 0; j < n; j++) dp[j][0] |= (dp[j][1] << 1);
for (int j = 1; j < n; j++) dp[j][0] |= dp[j - 1][1];
for (int j = 0; j < n; j++) dp[j][0] |= (dp[j][1] >> 1);
}
for (int j = 0; j < n; j++) dp[j][0] &= v[j];
}
int ans = 0;
for (int i = 0; i < n; i++) ans += dp[i][0].count();
cout << ans;
}
