// 字串處理
import java.io.*;
public class a08 {
        public static void main(String args[]) throws Exception
        {  //程式進入點
           String getbr;
           int i,j,now,flag;
	   int max;
	   String item[]={"個位","十位","百位","千位","萬位","十萬位","百萬位",
	   "千萬位","億位","十億位"};
	   BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
           while (true)
           {
		   max=0;
                do
                {
                        System.out.print("請輸入數字：");
                        getbr = br.readLine();
			 if (getbr.equals("0")) //判斷結束
                        {
				System.out.println("結束！");
				return;
			}
			
			if (getbr.length() >10 ) //長度超過或不足
			{
					System.out.println("輸入數字超過十位數請重新輸入");
			} else if ( getbr.length() <=0)  System.out.println("輸入數字長度不足請重新輸入");
                } while (getbr.length() >10 || getbr.length() <=0);
		while (getbr.charAt(0)=='0' || getbr.charAt(0)==' ') //殺掉前導0與空白
			getbr=getbr.substring(1);
		j=getbr.length();
		for (i=0;i<getbr.length();i=i+1)
                {
			j=j-1;
			now=getbr.charAt(i)-'0'; //用Character.digit(now)也行
			if (now>0) //非0才輸出
			       System.out.println(item[j]+"為"+now);
			if (now>max) max=now;
                  } //for i
		  System.out.println("最大為"+max);
		  System.out.print("反轉輸出");
		  flag=0;//判斷是否有前導0，先假設有
                for (i=getbr.length()-1;i>=0;i=i-1)
                {
			now=getbr.charAt(i)-'0';
			if (now>0) flag=1; //必須先判斷前導0
			if (flag==1) //如果沒有前導0了，就開始輸出
			      System.out.print(now);
                  } //for i
		System.out.println(""); //給程式輸出好看一點的
        }
    }//while(true)
}