class TextEditor {
public:
    vector<char> left;
    vector<char> right;
    TextEditor() {

    }

    void addText(string text) {
        for (char c : text)
            left.push_back(c);
    }

    int deleteText(int k) {
        int cnt = 0;
        while (!left.empty() && k > 0)
        {
            left.pop_back();
            k--;
            cnt++;
        }
        return cnt;
    }

    string cursorLeft(int k) {
        int cnt = 0;
        while (!left.empty() && k > 0)
        {
            right.push_back(left.back());
            left.pop_back();
            k--;
        }
        int len = left.size();
        return string(left.begin() + max(0, len - 10), left.end());
    }

    string cursorRight(int k) {
        int cnt = 0;
        while (!right.empty() && k > 0)
        {
            left.push_back(right.back());
            right.pop_back();
            k--;
        }
        int len = left.size();
        return string(left.begin() + max(0, len - 10), left.end());
    }
};