#include <cassert>

#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
// #include <boost/foreach.hpp>
// #include <boost/range/algorithm.hpp>
#define rep(i,j,k) for(int i=(int)j;i<(int)k;i++)
#define ll long long
#define Sort(v) sort(all(v))
#define INF 1e9
#define LINF 1e18
#define END return 0
#define pb push_back
#define se second
#define fi first
#define pb push_back
#define all(v) (v).begin() , (v).end()
#define MP make_pair
#define int long long
using namespace std;
int day[12]={31,28,31,30,31,30,31,31,30,31,30,31};
// int dx[]={0,1,0,-1};
// int dy[]={1,0,-1,0};
struct edge{int to,cost;};
//typedef pair<int,int> P;

const long long MOD=1000000007LL;
bool isupper(char c){if('A'<=c&&c<='Z')return 1;return 0;}
bool islower(char c){if('a'<=c&&c<='z')return 1;return 0;}
bool isPrime(int x){if(x==1)return 0;if(x==2)return 1;if(x%2==0)return 0;for(int i=3;i*i<=x;i++)if(x%i==0)return 0;return 1;}
bool iskaibun(string s){for(int i=0;i<s.size()/2;i++)if(s[i]!=s[s.size()-i-1])return 0;return 1;}
bool isnumber(char c){return ('0'<=c&&c<='9');}
bool isalpha(char c){return (isupper(c)||islower(c));}
template<typename T> 
void print(vector<T> v){
    for(int i=0;i<v.size();i++){
        if(i)cout<<" ";
        cout<<v[i];
    }
    cout<<endl;
}

template<typename T>
void printendl(vector<T> v){
    for(auto date:v)cout<<date<<endl;
}

template<typename T>
void printvv(vector<vector<T>> v){
    for(int i=0;i<v.size();i++){
        for(int j=0;j<v[i].size();j++){
            if(j)cout<<" ";
            cout<<v[i][j];
        }
        cout<<endl;
    }
}
int gcd(int a,int b){
    if(a<b)swap(a,b);
    if(b==0)return a;
    else return gcd(b,a%b);
}

struct S{
    int num,deep;
};

char NOT(char x){
    if(x=='0')return '2';
    else if(x=='1')return '1';
    else return '0';
}

char AND(char a,char b){
    char v[3][3]={
        {'0','0','0'},
        {'0','1','1'},
        {'0','1','2'}
    };
    return v[a-'0'][b-'0'];
}

char OR(char a,char b){
    char v[3][3]={
        {'0','1','2'},
        {'1','1','2'},
        {'2','2','2'}
    };
    return v[a-'0'][b-'0'];
}

void d(stack<char> st){
    vector<char> v;
    while(!st.empty()){
        v.push_back(st.top());
        st.pop();
    }
    print(v);
    cout<<endl;
}

signed main (){
    string t;
    while(cin>>t){
        if(t==".")break;
        int ans=0;
        rep(p,0,3){
            rep(q,0,3){
                rep(r,0,3){
                    string s=t;
                    rep(i,0,s.size()){
                        if(s[i]=='P')s[i]='0'+p;
                        else if(s[i]=='Q')s[i]='0'+q;
                        else if(s[i]=='R')s[i]='0'+r;
                    }

                    stack<char> st;
                    rep(i,0,s.size()){
                        //d(st);
                        if(isnumber(s[i])){
                            while(!st.empty() and st.top()=='-'){
                                st.pop();
                                s[i]=NOT(s[i]);
                            }
                            st.push(s[i]);
                        }else if(s[i]==')'){
                            //d(st);
                            char c=st.top(),cc,cmd;
                            st.pop();
                            while(st.top()!='('){
                                //d(st);
                                cmd=st.top();
                                st.pop();
                                cc=st.top();
                                st.pop();
                                //d(st);
                                if(cmd=='*')c=AND(c,cc);
                                else if(cmd=='+')c=OR(c,cc);
                            }
                            st.pop();
                            while(!st.empty() and st.top()=='-'){
                                c=NOT(c);
                                st.pop();
                            }
                            st.push(c);
                        }else {
                            st.push(s[i]);
                        }
                    }
                    if(st.top()=='2')ans++;
                }
            }
        }
        cout<<ans<<endl;
    }
}
/*
(P*Q)
(--R+(P*Q))
(P*-P)
2
1
(-1+(((---P+Q)*(--Q+---R))*(-R+-P)))
.
*/



Measured memory_bytes: 3188