N = int(input())
ans = []
while N > 1:
	if N % 2 == 0:
		ans.append("/")
		N //= 2
	elif (3 * N +1) % 4 == 0:
		ans.append("+")
		N = 3 * N + 1
	else:
		ans.append("-")
		N = 3 * N - 1
print(len(ans))
print("".join(ans))