N = int(input())

ans = ''
s = set()
while N != 1:
    if N % 2 == 0:
        N //= 2
        ans += '/'
    else:
        if 3 * N + 1 not in s:
            N = 3 * N + 1
            ans += '+'
        else:
            N = 3 * N - 1
            ans += '-'
        s.add(N)
print(len(ans))
print(ans)