"""

奇数は

1 -> 2 or 4
3 -> 8 or 

"""

import sys
from sys import stdin

N = int(stdin.readline())

ans = []
s = set()

while N != 1:

    s.add(N)

    if N % 2 == 0:
        ans.append("/")
        N //= 2

    elif (3*N-1) % 2 == 0 and (3*N-1) not in s:
        ans.append("-")
        N = 3*N-1

    else:
        ans.append("+")
        N = 3*N+1

print (len(ans))
print ("".join(ans))