public class Prime {
	public static void main(String args[]) {
		int x=1, y=2;

		for(x=1; x<=100; x++) {
			for(y=2; y<=9; y++) {
				if(x%y == 0 && x!=y) break;
			}
			if(x%y != 0) System.out.println(x);
			y = 2;
		}
	}
}