#include <bits/stdc++.h>
using namespace std;
bitset<500> dp[2001][500], mat[500];
int main() {
int n, m, K, ans = 0;
cin >> n >> m >> K;
for(int i=0; i<n; i++) {
for(int j=0; j<m; j++) {
char ch; cin >> ch;
mat[i][j] = (ch == '.');
}
}
string s; cin >> s;
s = "." + s;
for(int i=0; i<n; i++)
for(int j=0; j<m; j++) dp[0][i][j] = mat[i][j];
for(int i=1; i<=K; i++) {
for(int r=0; r<n; r++) {
if(s[i] == 'W' || s[i] == '?') dp[i][r] |= (mat[r] & (dp[i-1][r] >> 1));
if(s[i] == 'E' || s[i] == '?') dp[i][r] |= (mat[r] & (dp[i-1][r] << 1));
if((s[i] == 'N' || s[i] == '?') && r + 1 < n) dp[i][r] |= (dp[i-1][r+1] & mat[r]);
if((s[i] == 'S' || s[i] == '?') && r - 1 >= 0) dp[i][r] |= (dp[i-1][r-1] & mat[r]);
}
}
for(int i=0; i<n; i++)
for(int j=0; j<m; j++) ans += dp[K][i][j];
cout << ans << '\n';
return 0;
}
