题解 | #字符串最后一个单词的长度#

import java.util.*;

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