include

include

include

using namespace std; bool compare(const string &a, const string &b) { if (a.length() != b.length()) return a.length() < b.length(); return a < b; }

vector bigSorting(vector unsorted) { sort(unsorted.begin(), unsorted.end(), compare); return unsorted; }

int main() { int n; cin >> n; vector unsorted(n);

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

vector<string> sorted = bigSorting(unsorted);

for (const string &num : sorted) {
    cout << num << "\n";
}

return 0;

}