arp

static int[] stash = new int[10];
	static int i = 0;

	public static void main(String[] args) {
		String s = "PMLPMLPMLPMLPMLPMLPMLPMLPMLPML";
		robotMovement(s);
		for (int k = 0; k < stash.length; k++)
			System.out.println(Integer.toString(stash[k],16));
	}

	public static void robotMovement(String s) {
		for (int j = 0; j < s.length(); j++) {
			char c = s.charAt(j);
			switch (c) {
			case 'P':
				i = 0;
				break;

			case 'M':
				if (i < 15)
					i++;
				break;

			case 'L':
				stash[i] = stash[i] + 1;
				System.out.println("stash val: " + stash[i]);
				break;

			default:
				break;
			}
		}
		// return stash;
	}