n = int(input())
ans = []
while n != 1:
    if n % 2 == 0:
        ans.append("/")
        n //= 2
    elif n % 4 == 1:
        ans.append("+")
        n = 3 * n + 1
    else:
        ans.append("-")
        n = 3 * n - 1

print(len(ans))
print(*ans, sep="")