#include<stdio.h>
char res[30][10004];
int main()
{
	int n;
	scanf("%d", &n);
	int i, j, k, l;
	for (i = 0; i < 30; i++)
	{
		res[i][0] = '{';
		l = 1;
		for (j = 0; (1 << j) <= i; j++)
		{
			if (((1 << j) & i) == 0)
				continue;
			for (k = 0; res[j][k] != '\0'; k++, l++)
				res[i][l] = res[j][k];
		}
		res[i][l] = '}';
		res[i][l + 1] = '\0';
	}
	printf("{");
	k = 0;
	for (i = 0; (1 << i) <= n; i++)
	{
		if (((1 << i) & n) == 0)
			continue;
		if (k > 0)
			printf(",");
		printf("%s", res[i]);
		k++;
	}
	printf("}\n");
	return 0;
}