import java.util.Scanner;

/**
 * Created by huynq on 2/3/18.
 */
public class NestedLoop {
    public static void main(String[] args) {
        Scanner keyboardScanner = new Scanner(System.in);

        int n = 5;
        int m = 4;

        int x = 3;
        int y = 1;

        while(true) {

            for (int j = 0; j < m; j ++) {
                for (int i = 0; i < n; i++) {
                    if (i == x && j == y) {
                        System.out.print("P ");
                    } else {
                        System.out.print("* ");
                    }
                }
                System.out.println();
            }

            // 1. Ask user which direction?
            System.out.print("Your move (W, A, S, D)? ");
            // QuaN dep TRai => QUAN DEP TRAI
            // QuaN dep TRai => quan dep trai
            String direction = keyboardScanner.nextLine();

            // 2. Direction => update x, y
            if (direction.equalsIgnoreCase("W")) {
                y--;
            }
            else if(direction.equalsIgnoreCase("S")) {
                y++;
            }
            else if(direction.equalsIgnoreCase("A")) {
                x--;
            }
            else if(direction.equalsIgnoreCase("D")) {
                x++;
            }


            // Clamp
            if (y < 0) y = 0;
            if (y >= m) y = m - 1;

            if (x < 0) x = 0;
            if (x >= n) x = n-1;

            // 3. Re-print map
        }
    }
}