// This Code was made by Chinese_zjc_.
#include <bits/stdc++.h>
bool query(int time, int pos)
{
    static std::string v;
    std::cout << "at " << std::setw(2) << time / 60 << ":" << std::setw(2) << time % 60 << " check " << pos << std::endl;
    std::cin >> v;
    return v == "asleep";
}
int n;
bool init[105], know[105];
int l[105], r[105], ans[105];
signed main()
{
    std::cout << std::setfill('0');
    std::ios::sync_with_stdio(false);
    std::cin >> n;
    for (int i = 1; i <= n; ++i)
        init[i] = query(0, i);
    for (int i = 49, j = 49, lst = 0; i; --i, lst = j, j += i)
    {
        if (j >= 720)
        {
            for (int k = 1; k <= n; ++k)
                if (!know[k])
                    know[k] = true, l[k] = lst, r[k] = 720;
            break;
        }
        for (int k = 1; k <= n; ++k)
            if (!know[k] && query(j, k) != init[k])
                know[k] = true, l[k] = lst, r[k] = j;
    }
    std::fill(know + 1, know + 1 + n, false);
    for (int i = 0; i <= 720; ++i)
    {
        for (int j = 1; j <= n; ++j)
            if (know[j])
                continue;
            else if (l[j] < i && i < r[j])
            {
                if (query(i + 720, j) == init[j])
                    know[j] = true, ans[j] = i;
            }
            else if (i == r[j])
                know[j] = true, ans[j] = r[j];
    }
    std::cout << "answer" << std::endl;
    for (int i = 1; i <= n; ++i)
    {
        if (init[i])
            ans[i] += 720;
        ans[i] %= 1440;
        std::cout << std::setw(2) << ans[i] / 60 << ":" << std::setw(2) << ans[i] % 60 << std::endl;
    }
}