import type.lang.*;

public class Example19
{
	public static void main(String[] args)
	{	
		int x;
		do
		{
			IO.print("Enter a positive integer (or -1 to quit) ... ");
			x = IO.readInt();

			if (x == -1)
				break;

			IO.print("You entered ");
			IO.println(x);
		} while (true);
		IO.println("Thanks!");
	}
}