题解 | #字符串分隔#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String zero = "00000000";
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextLine()) { // 注意 while 处理多个 case
            String line = in.nextLine();
            StringBuilder out = new StringBuilder();
            while(line.length() >= 8) {
                out.append(line.substring(0, 8) + "\n");
                line = line.substring(8);
            }
            if (line.length() > 0) {
                out.append(line + zero.substring(0, 8-line.length()));
            }
            
            System.out.println(out.toString());
        }
    }
}