#include<bits/stdc++.h>
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
using namespace std;
int dx[] = { -1, 0, 1, 0 };
int dy[] = { 0, 1, 0, -1 };
bitset<501> DP[5011][510];
bitset<501> arr[510];
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, m, h;
cin >> n >> m >> h;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
char x;
cin >> x;
if (x == '.') arr[i][j] = true;
}
DP[0][i] = arr[i];
}
string s;
cin >> s;
s = '.' + s;
int ans = 0;
for (int k = 1; k <= h; k++) {
for (int i = 1; i <= n; i++) {
if (s[k] == 'N' || s[k] == '?') DP[k][i] |= DP[k - 1][i + 1];
if (s[k] == 'S' || s[k] == '?') DP[k][i] |= DP[k - 1][i - 1] ;
if (s[k] == 'W' || s[k] == '?') DP[k][i] |= DP[k - 1][i] >> 1LL;
if (s[k] == 'E' || s[k] == '?') DP[k][i] |= DP[k - 1][i] << 1LL;
DP[k][i] &= arr[i];
if (k == h) ans += DP[k][i].count();
}
}
cout << ans;
return 0;
}
