n = int(input())
ans = []
cnt = 0
while n > 1:
	if n % 2 == 0:
		n //= 2
		ans.append('/')
	else:
		n = n * 3 - 1
		ans.append('-')
	cnt += 1
	if cnt >= 10000:
		break

print(len(ans))
print("".join(ans))