whileChallenge

package act;

import java.util.Scanner;

public class Challenge
{

	public static void main(String[] args)
	{
		Scanner k = new Scanner(System.in);

		System.out.print("enter a nonzero positive number: ");
		int max = k.nextInt();
		int it = 0;
		int sum = 0;
		do {
			it ++;
			 sum = sum + it;

		}while (it < max);
		System.out.println("the sum of the numbers between 1 and "+max+" is "+sum);
		k.close();
	}

}