public class test{
	public static void main(String[] args){
		//最大為99999 
		fun(87666);
	}
	
	private static void fun(int n){
		if(n/10000>=1){
			System.out.println(n+"是5位數 ");
		}else if(n/1000>=1){
			System.out.println(n+"是4位數 ");
		}else if(n/100>=1){
			System.out.println(n+"是3位數 ");
		}else if(n/10>=1){
			System.out.println(n+"是2位數 ");
		}else if(n>0){
			System.out.println(n+"是1位數 ");
		} 
		char[] chars=String.valueOf(n).toCharArray();
		for(int j=chars.length-1;j>=0;j--){
			System.out.print(chars[j]+" ");
		}
	}
}