#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define fs first
#define sc second
using namespace std;
const int N = 505;
bitset<N> dp[N], prevdp[N], w[N];
char c[N][N];
int n, m, k;
string s;
bool check(int i, int j) {
if (i >= n or j >= m or i < 0 or j < 0 or c[i][j] == '#') return false;
return true;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n >> m >> k;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> c[i][j];
if (c[i][j] == '.') prevdp[i][j] = 1, w[i][j] = 1;
}
}
cin >> s;
for (int i1 = 0; i1 < k; i1++) {
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) dp[i][j] = 0;
}
for (int i = 0; i < n; i++) {
if (s[i1] == 'N' or s[i1] == '?') {
if (i - 1 >= 0) dp[i - 1] |= prevdp[i];
//if (check(i - 1, j)) dp[i - 1][j] = 1;
}
if (s[i1] == 'S' or s[i1] == '?') {
if (i + 1 < n) dp[i + 1] |= prevdp[i];
//if (check(i + 1, j)) dp[i + 1][j] = 1;
}
if (s[i1] == 'W' or s[i1] == '?') {
dp[i] |= prevdp[i] >> 1;
//if (check(i, j - 1)) dp[i][j - 1] = 1;
}
if (s[i1] == 'E' or s[i1] == '?') {
dp[i] |= prevdp[i] << 1;
//if (check(i, j + 1)) dp[i][j + 1] = 1;
}
}
for (int i = 0; i < n; i++) {
dp[i] &= w[i];
}
swap(dp, prevdp);
}
int cnt = 0;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
if (prevdp[i][j]) cnt++;
}
}
cout << cnt << endl;
}
