#include <iostream>
using namespace std;

bool log_vur() {
    string str = "";
    while (str != "or" && str!= "false" && str!= "and" && str !="true" && str != "not" ) {
        char ch;
        cin >> ch;
        str += ch;
        if (str.size() > 5) throw runtime_error("error");
    }
    if (str == "true") return 1;
    if (str == "false") return 0;
    if (str == "not") return !log_vur();
    if (str == "and" || str == "or") {
        char skobka ;
        cin >> skobka;
        if (skobka != '(') throw runtime_error("error");
        bool a = log_vur();
        char zapaytaay;
        cin >> zapaytaay;
        while (zapaytaay != ')') {
            if (zapaytaay != ',') throw runtime_error("error");
            if (str == "and") a = log_vur() && a;
            if (str == "or") a = log_vur() || a;
            cin >> zapaytaay;

        }
        return a;
    }
    throw runtime_error("error");
}

int main() {
    try {
        cout << (log_vur()?"TRUE":"FALSE") << endl;
    } catch (runtime_error err) {
        cout << err.what() << endl;
    }

}