import java.util.*;
   
   public class Main{
   
   public static void main(String[] args) {
     // write your code here  
    
       Scanner sc=new Scanner(System.in);
       int n=sc.nextInt();
       
       while(n!=0)
       {
           int d=n%10;
           System.out.println(d);
           n=n/10;
       }
   }
   }