import java.util.*;
public class Main {
public static void main(String[] args) {
//接收输入的
Scanner sc = new Scanner(System.in);
//定义一个列表list
List<String> list = new ArrayList<>();
int i=sc.nextInt();
//把后续的字符串加入到list当中
while (sc.hasNext()) {
String s = sc.next();
list.add(s);
}
//对列表排序
Collections.sort(list);
//输出字符串
for (String s : list) {
System.out.println(s);
}
}
}

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