#include <stdio.h>
#include <stdlib.h>

int main()
{
	unsigned i, n;
	printf("n= "); scanf("%d", &n);
	n = 1 << n;
	for (i = 2; i <= n; i += 2) {
		if (((i - 1) & 7) != 7)
			printf("%d ", i);
	}
	system("pause");
	return 0;
}