Assignemnt #84 and Noticing even numbers

Code

    
    ///name: nick cerdan
    ///period: 6
    ///program name: Noticing even numbers
    ///file name: NENumbers.java
    ///date finished: 10/30/15
    
    public class NENumbers
    {
        public static void main(String[] args)
        {
            for (int n = 1; n <= 20; n++)
            {
                int a = n % 2;
                
                if (a == 0)
                {
                    System.out.println(n + "");
                }
                
                else 
                {
                    System.out.println(n);
                }
            }
        }
    }