include

using namespace std;

int main(){ int n; cin >> n; vector unsorted(n); for(int unsorted_i = 0; unsorted_i < n; unsorted_i++){ cin >> unsorted[unsorted_i]; }

sort(unsorted.begin(), unsorted.end(), [](const string& a, const string& b) {
    if (a.length() != b.length()) {
        return a.length() < b.length();
    }
    return a < b;
});

for (auto x:unsorted) cout << x << endl;

return 0;

}