import java.util.Scanner;

public class RepetitionFun {

public static void main(String[] args) {

Scanner keyboard = new Scanner(System.in);

int input;

//priming read

System.out.println("Enter a non-negative integer");

System.out.println("Or negative to exit");

input = keyboard.nextInt();

while(input >= 0) {

System.out.println(input);

System.out.println("Enter a non-negative integer");

System.out.println("Or negative to exit");

input = keyboard.nextInt();

}//end while

System.out.println("Done!");

// int count = 0;

//

// while(count < 10) {

// System.out.println(count);

// count++;

// }//end while

// int count2 = 15;

//

// do {

// System.out.println(count2);

// count2++;

// }

// while(count2 < 10);

// for(int i = 0; i < 10; i++) {

// System.out.println(i);

// }//end for

}//end main

}