if (Fireball* fireball = dynamic_cast<Fireball*>(spell)) {
        fireball->revealFirepower();
    }
    else if (Frostbite* frostbite = dynamic_cast<Frostbite*>(spell)) {
        frostbite->revealFrostpower();
    }
    else if (Thunderstorm* thunderstorm = dynamic_cast<Thunderstorm*>(spell)) {
        thunderstorm->revealThunderpower();
    }
    else if (Waterbolt* waterbolt = dynamic_cast<Waterbolt*>(spell)) {
        waterbolt->revealWaterpower();
    }
    else {
        string scrollName = spell->revealScrollName();
        string journal = SpellJournal::read();
        int n = scrollName.length();
        int m = journal.length();

        vector<vector<int>> dp(n + 1, vector<int>(m + 1, 0));

        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= m; j++) {
                if (scrollName[i - 1] == journal[j - 1]) {
                    dp[i][j] = dp[i - 1][j - 1] + 1;
                }
                else {
                    dp[i][j] = max(dp[i][j - 1], dp[i - 1][j]);
                }
            }
        }

        cout << dp[n][m] << endl;
    }