class Demo{

    public static void main(String[] args){
         int i =2584;

         //do{
             int g = i%10;
             int s = (i%100)/10;
             int b = (i%1000)/100;
             int q = i/1000;
             System.out.println(g);
             System.out.println(s);
             System.out.println(b);
             System.out.println(q);
             //}while(i <= 1000);

    }
}