HW4.27

 public class Solution
 {
     public static void main(String[] args)
     {
         int count = 0;
         for(int i = 2001; i <= 2100; i++)
         {
             if((i % 4 == 0 && i % 100 != 0) || i % 400 == 0)
             {
                 System.out.print(i + " ");
                 count++;
             }
             if(count == 10)
             {
                 System.out.println();
                 count = 0;
             }
         }
     }
 }