N = int(input())
now = N
ans = []
while now>1:
    if now%2==0:
        ans.append("/")
        now//=2
    else:
        if (3*now+1)%4==0:
            ans.append("+")
            now = 3*now+1
        else:
            ans.append("-")
            now = 3*now-1
    assert(now<=10**18)
assert(len(ans)<=10000)
print(len(ans))
print("".join(ans))