题解 | #字符串最后一个单词的长度#

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner s=new Scanner(System.in);
        String bf=s.nextLine().trim();
        String[] ss=bf.split(" ");
        System.out.println(ss[ss.length-1].length());
    }
}