#pragma GCC optimize("Ofast")
#pragma GCC target("popcnt")
#include <bits/stdc++.h>
#define l1 long long
#define pi1 pair<int, int>
using namespace std;
const int N = 501;
int n, m, x;
char z[N*N*3];
char g[N][N];
bitset<N*N> dp, water;
#define pos(i, j) (i*N+j)
int main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
cin >> n >> m >> x;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> g[i][j];
if (g[i][j] == '.')
water[pos(i, j)] = 1;
}
}
for (int i = 0; i < x; cin >> z[i++]);
dp = water;
for (const char &c : z) {
if (c == '?') dp = (dp<<1) | (dp>>1) | (dp<<N) | (dp>>N);
else if (c == 'E') dp = (dp<<1);
else if (c == 'W') dp = (dp>>1);
else if (c == 'S') dp = (dp<<N);
else if (c == 'N') dp = (dp>>N);
dp &= water;
}
cout << dp.count();
}
