#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=505;
char a[N][N];
signed main(){
ios_base::sync_with_stdio();
cin.tie(0);cout.tie(0);
int n,m,k;
cin>>n>>m>>k;
vector <vector <int> > v1(n,vector <int> (m)),v2(n,vector <int> (m));
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>a[i][j];
if(a[i][j]=='.')v1[i][j]=1;
}
}
string s;cin>>s;
s=' '+s;
for(int x=0;x<k;x++){
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(!v1[i][j])continue;
if((s[x+1]=='W' or s[x+1]=='?') && j-1>=0 && a[i][j-1]=='.')v2[i][j-1]=1;
if((s[x+1]=='E' or s[x+1]=='?') && j+1<m && a[i][j+1]=='.')v2[i][j+1]=1;
if((s[x+1]=='S' or s[x+1]=='?') && i+1<n && a[i+1][j]=='.')v2[i+1][j]=1;
if((s[x+1]=='N' or s[x+1]=='?') && i-1>=0 && a[i-1][j]=='.')v2[i-1][j]=1;
}
}
swap(v1,v2);
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
v2[i][j]=0;
}
}
}
int cnt=0;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(v1[i][j])cnt++;
}
}
cout<<cnt<<"\n";
}
/*
5 9 7
...##....
..#.##..#
..#....##
.##...#..
....#....
WS?EE??
*/
