import sys
input = sys.stdin.readline

def S(n):
	i = 0
	lis = []
	while(n):
		if(n & 1):
			lis.append(i)
		i += 1
		n >>= 1
	ret = ["{"]
	for i, k in enumerate(lis):
		ret.append(S(k))
		if(i == len(lis) - 1):
			break
		ret.append(',')
	ret.append("}")
	return ''.join(ret)

N = int(input())
print(S(N))