import java.util.Scanner;
import java.lang.String;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static int wordCompare(String s1, String s2) {
        // 0表示相等,大于0表示大于,小于0表示小于
        int result = 0;
        char[] chars1 = s1.toCharArray();
        char[] chars2 = s2.toCharArray();
        for (int i = 0; i < Math.min(chars1.length, chars2.length); i++) {
            if (chars1[i] > chars2[i]) {
                result = 1;
                break;
            } else if (chars1[i] < chars2[i]) {
                result = -1;
                break;
            }
        }
        if (result == 0) {
            result = chars1.length - chars2.length;
        }
        return result;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        String[] strArr = new String[n];
        for (int i = 0; i < n; i++) {
            strArr[i] = in.next();
        }
        // 冒泡排序
        for (int i = 0; i < strArr.length - 1; i++) {
            for (int j = 0; j < strArr.length - i - 1; j++) {
                if (wordCompare(strArr[j], strArr[j + 1]) > 0) {
                    String s = strArr[j + 1];
                    strArr[j + 1] = strArr[j];
                    strArr[j] = s;
                }
            }
        }
        for (String str : strArr) {
            System.out.println(str);
        }
    }
}