n = int(input())
check = 0

for i in range(100):
    m = n
    ans = 0
    l = []
    check = i
    while m != 1:
        if m >= 10**18:
            check = 1
            break
        ans += 1
        if m % 2 == 0:
            m //= 2
            l.append('/')
        else:
            if check:
                m = 3*m-1
                l.append('-')
                check -= 1
                continue
            m = 3*m+1
            l.append('+')
    if m == 1:
        check = 0
    if check >= 1:
        continue
    else:
        print(ans)
        print(''.join(l))
        break