public class Kisebbprim {

	public static void main (String[] args) {

		int n;
		n = (int)Math.round(Math.random()*100+100);
		System.out.println(n);

		for (int i = 2; i <= n; i++) {

			for (int j = 2; j <= i; j++) {

				if (j == i) {

					System.out.println(i);
				}

				if (i % j == 0) {

					break;
				}
			}
		}
	}
}