#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9
using namespace std;
typedef long long ll;
int n, m, k;
string s;
char mat[502][502];
bitset<502 * 502> dp, pos;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> m >> k;
for(int i = 1; i <= n; ++i)
cin >> (mat[i] + 1);
cin >> s;
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
if(mat[i][j] != '#')
dp[(i - 1) * (m + 1) + j] = 1;
pos = dp;
for(int i = 0; i < k; ++i)
{
if(s[i] == 'E')
dp = (dp << 1) & pos;
if(s[i] == 'W')
dp = (dp >> 1) & pos;
if(s[i] == 'N')
dp = (dp >> (m + 1)) & pos;
if(s[i] == 'S')
dp = (dp << (m + 1)) & pos;
if(s[i] == '?')
dp = ((dp >> 1) | (dp << 1) | (dp >> (m + 1)) | (dp << (m + 1))) & pos;
}
cout << dp.count();
return 0;
}
