import java.util.Scanner;

public class C {

	static Scanner in = new Scanner(System.in);

	static char[] str;
	static int pt;
	static int[] pqr = new int[3];
	final static int[] MINUS = new int[] { 2, 1, 0 };
	final static int[][] AND = new int[][] { { 0, 0, 0 }, { 0, 1, 1 },
			{ 0, 1, 2 } };
	final static int[][] OR = new int[][] { { 0, 1, 2 }, { 1, 1, 2 },
			{ 2, 2, 2 } };

	static int formula() {
		char c = next();
		switch (c) {
		case '0':
			return 0;
		case '1':
			return 1;
		case '2':
			return 2;
		case 'P':
			return pqr[0];
		case 'Q':
			return pqr[1];
		case 'R':
			return pqr[2];
		case '-':
			return MINUS[formula()];
		case '(': {
			int a = formula();
			char op = next();
			int b = formula();
			next();
			if (op == '*')
				return AND[a][b];
			else if (op == '+')
				return OR[a][b];
			else
				throw new RuntimeException();
		}
		}
		throw new RuntimeException();
	}

	static char next() {
		if (pt == str.length)
			return 0;
		else
			return str[pt++];
	}

	static char peek() {
		if (pt == str.length)
			return 0;
		else
			return str[pt];
	}

	public static void main(String[] args) {
		while (true) {
			str = in.nextLine().toCharArray();
			if (str[0] == '.')
				break;
			int ans = 0;
			for (int a = 0; a < 3; a++)
				for (int b = 0; b < 3; b++)
					for (int c = 0; c < 3; c++) {
						pqr[0] = a;
						pqr[1] = b;
						pqr[2] = c;
						pt = 0;
						if (formula() == 2)
							ans++;
					}

			System.out.println(ans);
		}
	}

}