题解 | #单词倒排#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);   
        while (sc.hasNextLine()) {
           String[] s=sc.nextLine().replaceAll("[^a-zA-Z]"," ").split(" ");
            for(int i=0;i<s.length;i++){
                System.out.print(s[s.length-i-1]+" ");
            }
        }
    }
}