N = int(input())

ans = []
x = N
m = 10 ** 18
while x != 1:
    if x % 2 == 0:
        ans.append('/')
        x //= 2
    elif 3 * x + 1 > m:
        ans.append('-')
        x = 3 * x - 1
    else:
        ans.append('+')
        x = 3 * x + 1

print(len(ans))
print(''.join(ans))