#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
#define fio ios_base::sync_with_stdio(0);cin.tie(0);
#define ll long long
#define en cin.close();return 0;
#define pb push_back
#define fi first//printf("%lli\n",cur);
#define se second//scanf("%lli",&n);
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 505;
bitset<N*N> gr, lft, rgt, cur;
int main()
{
fio
// ifstream cin("in.in");
int n, m, k;
cin >> n >> m >> k;
for(int i = 0;i<n;i++)
{
for(int j = 0;j<m;j++)
{
int ind = i*m+j;
char c;
cin >> c;
if(c=='.')
{
gr[ind]=cur[ind]=1;
if(j!=m-1)
lft[ind]=1;
if(j!=0)
rgt[ind]=1;
}
}
}
string str;
cin >> str;
for(auto x:str)
{
if(x=='N')
cur=(cur>>m)&gr;
else if(x=='S')
cur=(cur<<m)&gr;
else if(x=='W')
cur=(cur>>1)&lft;
else if(x=='E')
cur=(cur<<1)&rgt;
else
cur=((cur>>m)&gr)|((cur<<m)&gr)|((cur>>1)&lft)|((cur<<1)&rgt);
}
cout << cur.count();
// cin.close();
return 0;
}
