// Telebe of adicto yani AzeTurk810
//
// WHY ARE YOU STARING MY CODE Stranger ??!!
//
//GO AWAY AND DON T look my CODE if i don t know you or you are stalker !!!!(hrrr)
//
// here about me: I am alone of course, fun , ' , ' , love pyhcics , young(child) , love music , had birds , not a gamer , chess :) , dead to football , you are looking to code , ... ;
//
// why at 1 japon army march they say "the enemy geniral is a hero , an equal to no one. Both in glory and in victory
// the men that follow him are also breave , fearless wariors ..."?
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
# define ln '\n'
# define ff first
# define ss second
# define INFll 1e18
vector<vector<char>> g;
vector<vector<char>> used;
int dx[] = {1 , -1 , 0 , 0};
int dy[] = {0 , 0 , 1 , -1};
void solve() {
int r , c , m;
string s;
cin >>r >> c >> m;
g.resize(r , vector<char>(c));
used.assign(r , vector<char>(c , false));
queue<pair<int,int>> q;
char x;
for(int i = 0 ; i < r ; i ++) {
for(int j = 0 ; j < c ; j ++) {
cin >> x;
if(x == '.') {
g[i][j] = true;
q.push({i , j});
} else {
g[i][j] = false;
}
}
}
cin >> s;
int full;
queue<pair<int,int>> temp;
for(char &cur : s) {
if(cur == '?') {
full = -1;
} else {
if(cur == 'N') full = 2;
else if(cur == 'W') full = 4;
else if(cur == 'E') full = 3;
else full = 1;
full--;
}
while(!q.empty()) {
auto [x , y] = q.front();
q.pop();
if(full == -1 ) {
for(int k = 0 ; k < 4 ; k ++) {
int curi = x + dx[k] , curj = y + dy[k];
if(curi < 0 || curj < 0 || curi >= r || curj >= c) continue;
if(!used[curi][curj] && g[curi][curj]) {
used[curi][curj] = true;
temp.push({curi , curj});
}
}
} else {
int curi = x + dx[full] , curj = y + dy[full];
if(curi < 0 || curj < 0 || curi >= r || curj >= c) continue;
if(!used[curi][curj] && g[curi][curj]) {
used[curi][curj] = true;
temp.push({curi , curj});
}
}
}
while(!temp.empty()) {
auto [x , y] = temp.front();
temp.pop();
used[x][y ] =false;
q.push({x , y});
}
}
cout << q.size() << ln;
}
signed main() {
// build();
int t = 1;
while(t--)solve();
}
