using System;
using System.Linq;
using System.Collections.Generic;
using Debug = System.Diagnostics.Trace;
using SB = System.Text.StringBuilder;
using Number = System.Int64;
namespace Program
{
    public class Solver
    {
        public void Solve()
        {
            for (; ; )
            {
                var s = sc.ScanLine();
                if (s == ".") return;
                Debug.WriteLine(s);
                var ans = 0;
                for (a[0] = 0; a[0] < 3; a[0]++)
                    for (a[1] = 0; a[1] < 3; a[1]++)
                        for (a[2] = 0; a[2] < 3; a[2]++)
                        {
                            if (parse(s) == 2) ans++;
                        }
                Console.WriteLine(ans);

            }
        }
        int[] a = new int[3];
        const string S = "PQR";
        int parse(string s)
        {
            int ptr = 0;
            return expression(s, ref ptr);
        }
        int expression(string s, ref int ptr)
        {
            if (s[ptr] == '(')
            {
                ptr++;
                var x = expression(s, ref ptr);
                var c = s[ptr++];
                var y = expression(s, ref ptr);
                if (x > y) Swap(ref x, ref y);
                if (c == '*')
                {
                    if (x * y == 4) x = 2;
                    else if (x * y != 0) x = 1;
                    else x = 0;

                }
                else
                {
                    if (y == 0) x = 0;
                    else if (y == 1) x = 1;
                    else x = 2;
                }
                ptr++;
                return x;
            }
            return token(s, ref ptr);
        }
        int token(string s, ref int ptr)
        {
            if (s[ptr] == '-') { ptr++; return 2 - expression(s, ref ptr); }
            if (char.IsDigit(s[ptr])) return s[ptr++] - '0';
            else return a[S.IndexOf(s[ptr++])];

        }
        const long INF = 1L << 60;
        //int[] dx = { -1, 0, 1, 0 };
        //int[] dy = { 0, 1, 0, -1 };
        //*
        int ri { get { return sc.Integer(); } }
        long rl { get { return sc.Long(); } }
        double rd { get { return sc.Double(); } }
        string rs { get { return sc.Scan(); } }
        //*/

        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
    }
}

#region main
static class Ex
{
    static public string AsString(this IEnumerable<char> ie) { return new string(ie.ToArray()); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ")
    {
        return string.Join(st, ie.Select(x => x.ToString()).ToArray());
        //return string.Join(st, ie);
    }
    static public void Main()
    {
        Console.SetOut(new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        var solver = new Program.Solver();
        solver.Solve();
        Console.Out.Flush();
    }
}
#endregion
#region Ex
namespace Program.IO
{
    using System.IO;
    using System.Text;
    using System.Globalization;
    public class Printer: StreamWriter
    {
        public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
        public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
    }
    public class StreamScanner
    {
        public StreamScanner(Stream stream) { str = stream; }
        public readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof = false;
        public bool IsEndOfStream { get { return isEof; } }
        private byte read()
        {
            if (isEof) return 0;
            if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
            return buf[ptr++];
        }
        public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }

        public string Scan()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }
        public string ScanLine()
        {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n' && b != 0; b = (char)read())
                if (b != '\r') sb.Append(b);
            return sb.ToString();
        }
        public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); }
        public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); }
        public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); }
    }
}
#endregion


Measured memory_bytes: 9352