#include <stdio.h>
#include
#include
#include
using namespace std;
int main() {
int n;//rows
int m;//column
int k;//needed
int s;//strength
cin >> n >> m >> k >> s;
char ar[n][m];
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
cin >> ar[i][j];
}
}
int flag = 0;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
if (s < k)
{
flag = 1;
break;
}
else if (ar[i][j] == '.')
s = s - 2;
else if (ar[i][j] == '*')
s = s + 5;
else if (ar[i][j] == '#')
break;
if (j != m - 1)
s--;
}
}
if (flag == 0)
cout << "Yes";
else
cout << "No";
cout << endl << s;
return 0;
}