n = int(input())

m = n

k, c = 0, []

for i in range(10001):
    if m == 1:
        break
    
    if m % 2 == 0:
        c.append("/")
        k += 1
        m //= 2
    else:
        if m % 4 == 1:
            c.append("+")
            k += 1
            m = m * 3 + 1
        elif m % 4 == 3:
            c.append("-")
            k += 1
            m = m * 3 - 1

print(k)
print("".join(c))