/*
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 */
package functiontest;
import java.util.Scanner;
import java.util.InputMismatchException;
/**
 *
 * @author jcmtiernan
 */
public class FunctionTest
{

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        
        int intIterate;
        int currentSum = 0;
        int sumOfSums = 0;
        int MAX = 0;
        Scanner input = new Scanner(System.in);
        boolean readError = true;
        
        //Error checking
        
        System.out.println("Please enter a positive integer for the maximum value: ");
        
        
        do
        {
            readError = false;
            try
            {

                MAX = input.nextInt();
                
                if (MAX < 0)
                {
                    System.out.println("You did not enter a valid integer. Please enter a positive integer: ");
                    readError = true;
                }


            }
            catch (InputMismatchException iME)
            {

                //System.out.println("You did not enter a valid input.  MAX will be set to 5");
                //MAX = 5;
                System.out.println("You did not enter a valid input. Please enter a positive integer: ");
                readError = true;

            }
            input.nextLine();            
        }  
        while(readError);
        
        System.out.printf("%9s %9s %9s \n","intIterate","currentSum","Sums");
        
        for (intIterate = 0; intIterate <= MAX; intIterate++)
        //while(intIterate <= MAX)
        {
            //previousSUm = currentSum;
            
            sumOfSums = currentSum;
            currentSum = currentSum + intIterate;
            sumOfSums += currentSum;
            
            //sumOfSums = currentSum + previousSum; 
            //sumOfSums = currentSum * 2 - intIterate;
            System.out.printf("%9d %9d %9d\n",intIterate, currentSum, sumOfSums);
            
            //intIterate++;
        }
        
        
    }
    
}