#include <cassert>
#include <iostream>
#include <vector>
#include <string.h>

using namespace std;

const int N = 10000;

const int NOTHING = -1;
const int CLICK = 0;
const int BUY = 1;
const int SELL = 2;
const int REINFORCE = 3;
const int ENHCLICK = 4;

const int HAND = 1;
const int LILY = 2;
const int FACTORY = 3;
const int CASINO = 4;
const int GRIMOIRE = 5;

const int PRODUCTIVITY[6] = {1, 1, 10, 120, 2000, 25000};

int operations[N];

class CookieClicker {
public:

    void init() {
        memset(operations, CLICK, sizeof(operations));
    }

    vector <string> run(string events) {
        init();

        vector <string> answer = createAnswer();
        int score = calcScore();

        // printf("Score = %d\n", score);

        return answer;
    }

    vector <string> createAnswer() {
        vector <string> answer;

        for (int i = 0; i < N; i++) {
            switch (operations[i]) {
                case NOTHING:
                    answer.push_back("nothing");
                    break;
                case CLICK:
                    answer.push_back("click");
                    break;
                case BUY:
                    answer.push_back("buy");
                    break;
                case SELL:
                    break;
                case REINFORCE:
                    break;
                case ENHCLICK:
                    break;
                default:
                    assert(false);
            }
        }

        return answer;
    }

    int calcScore() {
        int score = 0;

        for (int i = 0; i < N; i++) {
            switch (operations[i]) {
                case NOTHING:
                    break;
                case CLICK:
                    score += PRODUCTIVITY[CLICK];
                    break;
            }
        }

        return score;
    }
};

int main() {
    int n;
    string s;
    CookieClicker cc;

    cin >> n;
    cin >> s;

    vector <string> answer = cc.run(s);

    for (int i = 0; i < N; i++) {
        cout << answer[i] << endl;
    }

    return 0;
}