#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()
const int N = 505;
char s[N][N];
bitset<N> dp[2][N], water[N];
int r, c, m;
void horizontalShift(int i, int d) {
for (int x = 0; x < r; x++) {
if (d < 0) {
dp[i ^ 1][x] |= dp[i][x] >> -d;
}
else {
dp[i ^ 1][x] |= dp[i][x] << d;
}
}
}
void verticalShift(int i, int d) {
for (int x = 0; x < r; x++) {
if (x + d >= 0 && x + d < r)
dp[i ^ 1][x + d] |= dp[i][x];
}
}
signed main() {
#ifdef HOME
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> r >> c >> m;
for (int i = 0; i < r; i++) {
cin >> s[i];
for (int j = 0; j < c; j++) {
if (s[i][j] == '.') {
water[i][j] = 1;
dp[0][i][j] = 1;
}
}
}
string s;
cin >> s;
for (int i = 0, j = 0; i < m; i++, j ^= 1) {
for (int k = 0; k < r; k++) {
dp[j ^ 1][k].reset();
}
if (s[i] == 'W') {
horizontalShift(j, -1);
}
else if (s[i] == 'E') {
horizontalShift(j, 1);
}
else if (s[i] == 'N') {
verticalShift(j, -1);
}
else if (s[i] == 'S') {
verticalShift(j, 1);
}
else {
horizontalShift(j, 1);
horizontalShift(j, -1);
verticalShift(j, -1);
verticalShift(j, 1);
}
for (int k = 0; k < r; k++) {
dp[j ^ 1][k] &= water[k];
}
}
int ans = 0;
for (int i = 0; i < r; i++)
ans += dp[m & 1][i].count();
cout << ans;
return 0;
}
