import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        List<String> list = new ArrayList<>();
        while (n>0){
            String s = sc.next();
            list.add(s);
            n--;
        }
        Collections.sort(list, new Comparator<String>() {
            @Override
            public int compare(String o1, String o2) {
                char[] s1 = o1.toCharArray();
                char[] s2 = o2.toCharArray();

                int l=0;  //字符串长度记录
                while (l < s1.length&&l<s2.length){
                    if (s1[l] > s2[l]){
                        return 1;
                    }else if (s1[l] < s2[l]){
                        return -1;
                    }else{
                        l++;
                    }
                }
                if (l == s1.length){
                    return -1;
                }
                if (l == s2.length){
                    return 1;
                }
                return 0;
            }
        });
        for (String s:list
             ) {
            System.out.println(s);
        }
    }
}