import random

N = int(input())
ans = []

# コラッツ予想
while N > 1:
    if N % 2 == 0:
        N //= 2
        ans.append("/")
    else:
        if random.randint(0, 10) == 0:
            N = 3 * N + 1
            ans.append("+")
        else:
            N = 3 * N - 1
            ans.append("-")


print(len(ans))
print("".join(ans))