//
//	Loop4.java
//
//	Loop: read one postive N and out 0-N between
//		until a negative is read
//
import java.util.Scanner;
public class Loop4
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);
		System.out.print("Input a positive (neg. to quit): ");
		int N;
		N = input.nextInt();
		while(N>0)
		{
			for(int i=0; i<=N; i++)
				System.out.print(i + " ");
			System.out.println("\n\n");
			System.out.print("Input a positive (neg. to quit): ");
			N = input.nextInt();
		}

	}
}