N = int(input())
ans = []
while N != 1:
    if N % 2 == 0:
        N //= 2
        ans.append("/")
    else:
        if N % 4 == 1:
            ans.append("+")
            N *= 3
            N += 1
        else:
            ans.append("-")
            N *= 3
            N -= 1
print(len(ans))
print("".join(ans))