N = int(input())

ans = []
while N >= 2:
    if N % 2 == 0:
        N //= 2
        ans.append("/")
    elif N % 4 == 1:
        N = 3*N + 1
        ans.append("+")
    else:
        N = 3*N - 1
        ans.append("-")
print(len(ans))
print("".join(ans))