N = int(input())
ans = ""

while N != 1:
    if N % 2 == 0:
        N //= 2
        ans += "/"

    else:
        Np, cp = N * 3 + 1, 0
        Nm, cm = N * 3 - 1, 0

        while Np % 2 == 0:
            Np //= 2
            cp += 1

        while Nm % 2 == 0:
            Nm //= 2
            cm += 1

        if cp > cm:
            N = N * 3 + 1
            ans += "+"
        else:
            N = N * 3 - 1
            ans += "-"

print(len(ans))
print(ans)