def reduce_number(N):
    m = N
    operations = []
    
    while m != 1:
        if m % 2 == 0:
            m //= 2
            operations.append('/')
        else:
            if m == 3 or (3 * m + 1) % 4 == 0:
                m = 3 * m + 1
                operations.append('+')
            else:
                m = 3 * m - 1
                operations.append('-')

        if len(operations) > 10000:
            raise ValueError("z")
    
    return operations

N = int(input())
operations = reduce_number(N)
print(len(operations))
print(''.join(operations))