#include <bits/stdc++.h>
using namespace std;
int R, C, M;
string s;
char c[501][501];
bitset<250000> org, cur, N, E, S, W;
int id(int i, int j) {
return i * C + j;
}
int main(int argc, char** argv)
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin >> R >> C >> M;
for (int i = 0; i < R; i++)
for (int j = 0; j < C; j++) {
cin >> c[i][j];
int pos = id(i, j);
if (c[i][j] == '.') {
org.set(pos);
cur.set(pos);
}
if (i != R - 1) N.set(pos);
if (i != 0) S.set(pos);
if (j != C - 1) W.set(pos);
if (j != 0) E.set(pos);
}
cin >> s;
for (int i = 0; i < M; i++) {
if (s[i] == 'N')
cur = (cur >> C) & N;
else if (s[i] == 'S')
cur = (cur << C) & S;
else if (s[i] == 'W')
cur = (cur >> 1) & W;
else if (s[i] == 'E')
cur = (cur << 1) & E;
else
cur = (((cur >> C) & N) | ((cur << C) & S) | ((cur >> 1) & W) | ((cur << 1) & E));
cur &= org;
// for (int j = 0; j < R; j++) {
// for (int k = 0; k < C; k++)
// cerr << cur[id(j, k)];
// cerr << "\n";
// }
// cerr << '\n';
}
cout << cur.count();
}
