n = int(input())
ans = ""
while n != 1:
	if n % 4 == 1:
		ans += '+'
		n = n * 3 + 1
	elif n % 4 == 3:
		ans += '-'
		n = n * 3 - 1
	else:
		ans += '/'
		n //= 2
print(len(ans))
print(ans)