#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> ti;
typedef vector<ll> li;
typedef vector<li> lii;
#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define LSOne(s) ((s)&(-s))
#define all(x) x.begin(),x.end()
ll INF=1000000000000000010;
int inf=1e9+10;
ll M=1e9+7;
bool a[5001][500][500];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n,m,k;cin>>n>>m>>k;
memset(a,0,sizeof(a));
REP(i,0,n)REP(j,0,m){
char c;cin>>c;
a[0][i][j]=(c=='.');
}
string s;cin>>s;
vector<pi> loc={{1,0},{-1,0},{0,1},{0,-1}};
REP(i,0,k){
if(s[i]=='?')REP(x,0,n)REP(y,0,m)if(a[i][x][y])for(auto [u,v]:loc)if(x+u>=0&&x+u<n&&y+v>=0&&y+v<m&&a[0][x+u][y+v])a[i+1][x+u][y+v]=1;
if(s[i]!='?'){
int pos=0;
if(s[i]=='N')pos=1;
else if(s[i]=='E')pos=2;
else if(s[i]=='W')pos=3;
auto [u,v]=loc[pos];
REP(x,0,n)REP(y,0,m)if(a[i][x][y])if(x+u>=0&&x+u<n&&y+v>=0&&y+v<m&&a[0][x+u][y+v])a[i+1][x+u][y+v]=1;
}
}
int ans=0;
REP(i,0,n)REP(j,0,m)if(a[k][i][j])ans++;
cout<<ans;
}
