N = int(input())
ans = []
S = set()
while N>1:
    if N%2==0:
        S.add(N)
        ans.append("/")
        N//=2
    else:
        if N in S:
            S.add(N)
            ans.append("+")
            N = 3*N+1
        else:
            S.add(N)
            ans.append("-")
            N = 3*N-1
print(len(ans))
print("".join(ans))