#include<bits/stdc++.h>
using namespace std;
const int N = (int)5e2+7;
int n, m, t;
char a[N][N];
bool used[N][N][2];
string s;
vector<pair<int, int> > dir[5] = {
{{-1, 0}},
{{0, 1}},
{{1, 0}},
{{0, -1}},
{{1, 0}, {0, 1}, {-1, 0}, {0, -1}}
};
int II[256];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m >> t;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
cin >> a[i][j];
if(a[i][j] == '.') {
used[i][j][0] = 1;
}
}
}
cin >> s;
II['N'] = 0;
II['E'] = 1;
II['S'] = 2;
II['W'] = 3;
II['?'] = 4;
for(int w = 0; w < t; w++) {
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
if(!used[i][j][0]) {
continue;
}
for(auto e : dir[II[s[w]]]) {
int tox = e.first+i;
int toy = e.second+j;
if(tox<1 || tox>n || toy<1 || toy>m || a[tox][toy] == '#') {
continue;
}
used[tox][toy][1] = 1;
}
}
}
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
used[i][j][0] = used[i][j][1];
used[i][j][1] = 0;
}
}
}
int ans = 0;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= m; j++) {
ans += used[i][j][0];
}
}
cout << ans;
return 0;
}
