#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

template <class RandomAccessIterator>
  void sort (RandomAccessIterator first, RandomAccessIterator last);

int main()
{
    int n;
    vector<string> delfin;
    string x;
    cin >> n;

    for(int i=1; i<=n; i++)
    {
        cin >> x;
        delfin.push_back(x);
    }

    sort(delfin.begin(), delfin.end());


    return 0;
}