import java.util.*;
public class Main_2intbit {
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner reader=new Scanner(System.in);
while(reader.hasNextInt())
{
int n=reader.nextInt();
String s=String.valueOf(n);
System.out.println(s.length());
for(int x=0;x<s.length();x++) {
System.out.print(s.toCharArray()[x]+" ");}
System.out.print("\n");
for(int y=s.length()-1;y>=0;y--) {
System.out.print(s.toCharArray()[y]+" ");
}
reader.close();
}
}
}
纯小白,请大佬们稍微指点一下/(ㄒoㄒ)/~~