def f(x):
    c = 0
    while x % 2 == 0:
        c += 1
        x //= 2
    return c


N = int(input())
c = []
while N != 1:
    if N % 2 == 0:
        N //= 2
        c.append('/')
    elif f(3*N+1) > f(3*N-1):
        N = 3*N+1
        c.append('+')
    else:
        N = 3*N-1
        c.append('-')
print(len(c))
print(''.join(c))