题解 | #单词倒排#

import java.util.*;


public class Main {
    public static void main(String[] args) {
        Scanner fzhinput = new Scanner(System.in);
        StringBuilder stack = new StringBuilder();
        String zfc = fzhinput.nextLine();
        for(int i =0;i<zfc.length();i++){
            char c = zfc.charAt(i);
            if(Character.isLetter(c)){
                stack.append(c);
            }
            else{
                stack.append(" ");
            }
        }
        String clhzfc[] = stack.toString().split(" ");
        for(int i =clhzfc.length-1;i>=0;i--){
            System.out.print(clhzfc[i]+" ");
        }
    }
}