ans = []
def f(n, d):
    if d >= 10**4 or n > 10**18:
        return -1
    elif n == 1:
        print(len(ans))
        print("".join(ans))
        exit()
    if n % 2:
        ans.append("+")
        f(n * 3 + 1, d+1)
        ans.pop()
        ans.append("-")
        f(n * 3 - 1, d+1)
        ans.pop()
    else:
        ans.append("/")
        f(n//2, d+1)
        ans.pop()

f(int(input()), 0)