import java.util.Scanner;
class Patterntry {
public static void main(String[] args) {
Scanner scn = new Scanner(System.in);
int rows = scn.nextInt();
int cols = scn.nextInt();
int k = scn.nextInt();
int s = scn.nextInt();
char[][] arr = new char[rows][cols];
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j < arr[i].length; j++) {
arr[i][j] = scn.next().charAt(0);
}
}
int a = 0;
for (int i = 0; i < arr.length; i++) {
for (int j = 0; j < arr[i].length; j++) {
if (arr[i][j] == ‘.’ && j == arr[i].length - 1)
s = s - 2;
else if (arr[i][j] == ‘’ && j == arr[i].length - 1)
s = s + 5;
else if (arr[i][j] == ‘.’)
s = s - 2 - 1;
else if (arr[i][j] == '’)
s = s + 5 - 1;
else if (arr[i][j] == ‘#’)
j = arr[i].length - 1;
}
}
if (s > k) {
System.out.println(“Yes”);
System.out.println(s);
} else
System.out.println(“No”);
}
}