#include <bits/stdc++.h>
using namespace std;
int R, C, M;
string s;
bitset<1000> original[500];
bitset<1000> dp[500];
int main()
{
cin.sync_with_stdio(0);
cin.tie(0);
cin >> R >> C >> M;
for (int i = 0; i < R; i++)
{
string r;
cin >> r;
for (int j = 0; j < C; j++)
if (r[j] == '.')
original[i][j + 500] = 1;
dp[i] = original[i];
}
cin >> s;
for (int i = 0; i < s.length(); i++)
{
bitset<1000> temp[500];
if (s[i] == '?' || s[i] == 'W')
for (int j = 0; j < R; j++)
temp[j] = (dp[j] >> 1);
if (s[i] == '?' || s[i] == 'E')
for (int j = 0; j < R; j++)
temp[j] |= (dp[j] << 1);
if (s[i] == '?' || s[i] == 'N')
for (int j = 0; j < R - 1; j++)
temp[j] |= dp[j + 1];
if (s[i] == '?' || s[i] == 'S')
for (int j = 1; j < R; j++)
temp[j] |= dp[j - 1];
for (int j = 0; j < R; j++)
dp[j] = temp[j] & original[j];
}
int ans = 0;
for (int i = 0; i < R; i++)
ans += dp[i].count();
cout << ans;
}
