#include<cstdio>
int main() {
	int n, n1, d = 2;
	scanf ("%d", &n);
	scanf ("%d", &n1);
	while (n < n1){
		while (n > 1){
			while (n % d == 0){
				printf ("%d ", d);
				n = n / d;
				}
			d += 1;
		}
	n += 1;
	}
	return 0;
}