def main():
    n = int(input())
    s = ""
    while n > 1:
        if n % 2 == 0:
            s += '/'
            n //= 2
        else:
            s += '+'
            n = 3 * n + 1
    print(len(s))
    print(s)

if __name__ == "__main__":
    main()