n = int(input())

ANS = []
while n != 1:
    if n % 2 == 0:
        ANS.append('/')
        n //= 2
    else:
        if (3 * n - 1) % 4 == 0:
            ANS.append('-')
            n = 3 * n - 1
        else:
            ANS.append('+')
            n = 3 * n + 1
print(len(ANS))
print(''.join(ANS))