1 import java.util.*;
 2 public class Bubble
 3 {    
 4     public static void main(String[] args){
 5       int a=1234;
 6    for (int i=0;i<4;i++ )
 7    {   
 8        
 9        System.out.println(a%10);
10        a=a/10;
11    }
12 
13     }
14 }