#include <bits/stdc++.h>
using namespace std;
#define int long long
#define all(A) A.begin(),A.end()
#define bp '\n'
#define vp cout<<'\n';
const int N=505;
const int MNLL=-1e18;
bitset<N>dp[N],nw[N],a[N];
signed main(){
cin.tie(nullptr)->sync_with_stdio(false);
int n,m,q;
cin>>n>>m>>q;
string k;
for(int i=1;i<=n;++i){
cin>>k;
for(int j=0;j<m;++j){
a[i][j]=(k[j]=='.');
}
dp[i]=a[i];
//cout<<a[i]<<bp;
}
cin>>k;
for(auto&e:k){
for(int j=1;j<=n;++j){
nw[j].reset();
}
for(int i=1;i<=n;++i){
if(i+1<=n and e=='N')nw[i]|=dp[i+1];
if(i-1>0 and e=='S')nw[i]|=dp[i-1];
if( e=='W')nw[i]|=(dp[i]>>1);
if(e=='E')nw[i]|=(dp[i]<<1);
if(e=='?')nw[i]=(dp[i-1])|(dp[i+1])|(dp[i]<<1)|(dp[i]>>1);
}
for(int i=1;i<=n;++i){
dp[i]=nw[i]&a[i];
}
}
int cnt=0;
for(int i=1;i<=n;++i){
cnt+=dp[i].count();
}
cout<<cnt;
}
/*
5 9 7
...##....
..#.##..#
..#....##
.##...#..
....#....
WS?EE??
*/
