/* This Program denonstrates using a sentinel value to control a loop.
 * The Program will determine if a non-negative number is even or odd.
 * The Program will terminate when the user enters a negative number.
 */

 import java.util.Scanner;
 class Loop5 {
	 public static void main(String [] args){
		 Scanner console = new Scanner(System.in);

		 System.out.println("Enter a non-negative integer or negative integer to quit");
		 int value = console.nextInt();
		 while(value >= 0) {
			 if( (value % 2) == 0 ){
				 System.out.println(value + " is even");
			 }
			 else {
				 System.out.println(value + " is odd");
			 }
			 System.out.println("Enter a non-negative integer or negative integfer to quit");
			 value = console.nextInt();
		 }
		 System.out.println("Good bye");
	 }
 }