// 字串處理
import java.io.*;
public class n8 {
        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;
		   System.out.print("請輸入數字：");
		    getbr = br.readLine();
		   if (getbr.equals("0") )
		   {
			    System.out.println("結束");
			    return;
		   }
		   if (getbr.length() >10)
		   {
			    System.out.println("字串長度超過10");
			    continue;
		   }
		   j=getbr.length();
		   for (i=0;i<getbr.length();i=i+1)
		   {
			   now=getbr.charAt(i)-'0';
			   j=j-1;
			   if (now>0)
				   System.out.println(item[j]+"是 "+now);
			   if (now>max) max=now;
		   }
		    System.out.println("最大的數字是 "+max);
		    //反轉輸出
		    System.out.print("反轉輸出 ");
		    flag=1;//先假設有前導0
		    for (i=getbr.length()-1;i>=0;i=i-1)
		    {
			    if (getbr.charAt(i)!='0') flag=0;
			    if (flag==0) System.out.print(getbr.charAt(i));
		    }
	   }
	}
}