Assignment # 76 and Collatz Sequence

Code

    /// Name: Tommy Oyuntseren
    /// Period: 7
    /// Program Name: Collatz
    /// File Name: Collatz.java
    /// Date: 1/26/2016


import java.util.Scanner;

public class Collatz
{
    public static void main(String [] args)
    {
        Scanner keyboard= new Scanner(System.in);
        
        int n;
        int steps=0;
        
        System.out.print("Starting number: ");
        n=keyboard.nextInt();
        
        while (n<=0)
        {
            System.out.println(n + "is not a natural number. Try again.");
            n=keyboard.nextInt();
        }
        
        while (n!=1)
        {
            if(n%2==0)
            {
                n=(n/2);
                System.out.print(n +"\t");
                steps++;
            }
            else
            {
                n=((3*n)+1);
                System.out.print(n +"\t");
                steps++;
            }
        }
        
        System.out.println("\n\nTerminated after " + steps + " steps.");
    }
}
   
   

  

Picture of the output