// Alir3za.Zar3 -> Shiraz , Iran
#include <bits/stdc++.h>
using namespace std;
#define loop(i , l , r) for (int i=l; i<=r; i+=1)
#define arc(i , r , l) for (int i=r; i>=l; i-=1)
const int N = 5e2+7;
bitset<N> dp[2][N],null[N];
string s,t[N];
signed main()
{
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int r,c,m; cin >> r >> c >> m;
loop(i,0,r-1)
{
cin >> t[i];
loop(j,0,c-1)
{
if (t[i][j]=='.')
{
dp[0][i][j] = 1;
}
else
{
null[i][j] = 1;
}
}
}
cin >> s; int T=0;
loop(k,0,m-1)
{
T = 1-T;
bitset<N> update[N];
if (s[k]=='?' or s[k]=='E')
{
loop(i,0,r-1)
{
update[i] |= dp[1-T][i]<<1;
update[i][c] = 0;
}
}
if (s[k]=='?' or s[k]=='W')
{
loop(i,0,r-1)
{
update[i] |= dp[1-T][i]>>1;
}
}
if (s[k]=='?' or s[k]=='S')
{
loop(i,1,r-1)
{
update[i] |= dp[1-T][i-1];
}
}
if (s[k]=='?' or s[k]=='N')
{
loop(i,0,r-2)
{
update[i] |= dp[1-T][i+1];
}
}
loop(i,0,r-1)
{
update[i] ^= update[i]&null[i];
dp[T][i] = update[i];
}
}
int out = 0;
loop(i,0,r-1)
{
loop(j,0,c-1)
{
out += (dp[T][i][j]==1);
}
}
cout << out << '\n';
}
