N = int(input())

ops = []

while N != 1:
    if N >= 10**18:
        while True:
            op = ops.pop()
            if op == "/":
                N *= 2
            if op == "-":
                N = (N + 1) // 3
            if op == "+":
                N = (N - 1) // 3
                ops.append("-")
                N = 3 * N - 1
                break
        continue
    if N % 2 == 0:
        ops.append("/")
        N //= 2
    else:
        ops.append("+")
        N = 3 * N + 1


print(len(ops))
print("".join(ops))