#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
using namespace std;
#define sped_up ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define ll long long
const ll INF = (ll)1e9 + 1, INFL = (ll)1e18 + 1;
const ll mod = (ll)1e9 + 7, MAXN = (ll)501;
bitset <MAXN> nw[MAXN];
bitset <MAXN> bt[MAXN];
bitset <MAXN> h[MAXN];
int main () {
sped_up;
ll n, m, k;
cin >> n >> m >> k;
ll cnt = 0;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
char a;
cin >> a;
if (a == '.') h[i][j] = 1, bt[i][j] = 1;
}
}
for (int i = 1; i <= k; i++) {
char c;
cin >> c;
for (int j = 1; j <= n; j++) {
if ('W' == c) nw[j] = (bt[j] >> 1);
else if ('E' == c) nw[j] = (bt[j] << 1);
else if ('N' == c) nw[j] = bt[j + 1];
else if ('S' == c) nw[j] = bt[j - 1];
else nw[j] = (((bt[j] << 1) | (bt[j] >> 1)) | (bt[j - 1] | bt[j + 1]));
nw[j] &= h[j];
}
for (int j = 1; j <= n; j++) {
bt[j] = nw[j];
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cnt += bt[i][j];
}
}
cout << cnt;
}
