#include <bits/stdc++.h>
const int N = 505;
int dx[] = {0, 0, -1, 1};
int dy[] = {-1, 1, 0, 0};
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
int r, c, m;
std::string s;
std::cin >> r >> c >> m;
std::vector<std::vector<char>> a(r + 1, std::vector<char>(c + 1));
for (int i = 1; i <= r; i++) {
for (int j = 1; j <= c; j++) {
std::cin >> a[i][j];
}
}
std::cin >> s;
s = "#" + s;
std::vector<std::bitset<N>> can(r + 2), good(r + 2);
for (int i = 1; i <= r; i++) {
for (int j = 1; j <= c; j++) {
if (a[i][j] == '.') {
can[i][j] = 1;
good[i][j] = 1;
}
}
}
for (int it = 1; it <= m; it++) {
std::vector<std::bitset<N>> aux(r + 2);
for (int i = 1; i <= r; ++i) {
if (s[it] == '?') {
aux[i] = can[i - 1] | can[i + 1];
aux[i] |= can[i] << 1;
aux[i] |= can[i] >> 1;
}
if (s[it] == 'W') {
aux[i] = can[i] >> 1;
}
if (s[it] == 'E') {
aux[i] = can[i] << 1;
}
if (s[it] == 'N') {
aux[i] = can[i + 1];
}
if (s[it] == 'S') {
aux[i] = can[i - 1];
}
aux[i] &= good[i];
}
swap(can, aux);
}
int res = 0;
for (int i = 1; i <= r; i++) {
for (int j = 1; j <= c; j++) {
if (can[i][j] == 1) {
res++;
}
}
}
std::cout << res << "\n";
return 0;
}
