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

def check(n, S):
    n = 3 * n - 1
    while n % 2 == 0:
        if n in S:
            return False
        n //= 2
    return n in S

while N != 1:
    if N % 2 == 0:
        ans.append("/")
        N //= 2
    elif check(N, S):
        ans.append("-")
        N = 3 * N - 1
    else:
        ans.append("+")
        N = 3 * N + 1
    S.add(N)
        
print(len(ans))
print(*ans, sep="")