from collections import deque
from collections import defaultdict
N = int(input())
pre = defaultdict(lambda: -1)
seen = defaultdict(lambda: False)
s = 1
q = deque([s])
seen[1] = True
lim = 10**18
while q:
    v = q.popleft()
    if v == N:
        break
    if v % 2:
        next = 2*v
        if next > lim:
            continue
        if not seen[next]:
            pre[next] = v
            seen[next] = True
            q.append(next)

    else:
        # 3m-1
        if (v+1) % 3 == 0:
            next = (v+1)//3
            if next <= lim and not seen[next]:
                pre[next] = v
                seen[next] = True
                q.append(next)
        # 3m+1
        if (v-1) % 3 == 0:
            next = (v-1)//3
            if next <= lim and not seen[next]:
                pre[next] = v
                seen[next] = True
                q.append(next)
        next = 2*v
        if next > lim:
            continue
        if not seen[next]:
            pre[next] = v
            seen[next] = True
            q.append(next)
now = 1
ans = []
while now != N:
    past = pre[now]
    if past % 2 == 0:
        ans.append('/')
    else:
        if 3*past-1 == now:
            ans.append('-')
        else:
            ans.append('+')
    now = past
print(len(ans))
print(''.join(ans[::-1]))