Паркиране

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
	    Scanner in = new Scanner(System.in);
	    int n = in.nextInt();
	    int m = in.nextInt();
	    in.nextLine();
	    int zeroX = 0;
	    int oneX = 0;
	    int twoX = 0;
	    int threeX = 0;
	    int fourX = 0;
        String firstLine = in.nextLine();

        for (int i = 0; i < n - 1; i++) {
            String secondLine = in.nextLine();
            for (int j = 0; j < m - 1; j++) {
                String cell = "" + firstLine.charAt(j) + firstLine.charAt(j + 1) + secondLine.charAt(j) + secondLine.charAt(j + 1);
                if (cell.contains("#")){
                    continue;
                }
                int count = cell.length() - cell.replace("X", "").length();

                switch (count){
                    case 0: zeroX++; break;
                    case 1: oneX++; break;
                    case 2: twoX++; break;
                    case 3: threeX++; break;
                    case 4: fourX++; break;
                }
            }
            firstLine = secondLine;
        }

        System.out.println(zeroX);
        System.out.println(oneX);
        System.out.println(twoX);
        System.out.println(threeX);
        System.out.println(fourX);
    }
}