n = int(input())
S = []
while n > 1:
    if n & 1:
        a = 3 * n + 1
        if a % 4 == 0:
            n = a
            S.append("+")
        else:
            n = 3 * n - 1
            S.append("-")
    else:
        n //= 2
        S.append("/")
print(len(S))
print("".join(S))