n = int(input())
s = ''
while n != 1:
	if n%2 == 0:
		s += '/'
		n //= 2
	elif (3*n+1)%4 == 0:
		s += '+'
		n = 3*n+1
	else:
		s += '-'
		n = 3*n-1
print(len(s))
print(s)