题解 | #单词倒排#

import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            String str = sc.nextLine();
            String[] result = str.split("[^A-Za-z]");
            for(int i = 0;i < result.length;i++){
                System.out.print(result[result.length-i-1]+" ");
            }
        }
    }
}