#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<long long, long long> pll;
typedef pair<int,int> pii;
typedef vector<long long> vl;
typedef vector<int> vi;
int r, c, n;
string str;
int mat[501][501];
int dp[2][501][501];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin>>r>>c>>n;
memset(dp, 0, sizeof dp);
memset(mat, 0, sizeof mat);
for(int i = 0; i < r; i++){
string s;
cin>>s;
for(int j = 0; j < c; j++){
if(s[j] == '.'){
mat[i][j] = 1;
dp[0][i][j] = 1;
}
}
}
cin>>str;
for(int step = 1; step <= n; step++){
int sega = step % 2, pret = (step-1) % 2;
for(int i = 0; i < r; i++){
for(int j = 0; j < c; j++){
dp[sega][i][j] = 0;
}
}
for(int i = 0; i < r; i++){
for(int j = 0; j < c; j++){
if((str[step-1] == 'E' || str[step-1] == '?') && mat[i][j] == 1 && dp[pret][i][j-1] == 1 && j > 0)
dp[sega][i][j] = 1;
if((str[step-1] == 'W' || str[step-1] == '?') && mat[i][j] == 1 && dp[pret][i][j+1] == 1 && j + 1 < c)
dp[sega][i][j] = 1;
if((str[step-1] == 'N' || str[step-1] == '?') && i < r-1 && mat[i][j] == 1 && dp[pret][i+1][j] == 1)
dp[sega][i][j] = 1;
if((str[step-1]=='S' || str[step-1] == '?') && i > 0 && mat[i][j] == 1 && dp[pret][i-1][j]==1)
dp[sega][i][j] = 1;
}
}
}
ll ans = 0;
for(int i = 0; i < r; i++){
for(int j = 0; j < c;j ++){
ans += dp[n%2][i][j];
}
}
cout<<ans<<"\n";
return 0;
}
