import sys
sys.setrecursionlimit(10**6)
n = int(input())

dic = {}

def dfs(n,s):

    if n == 1:
        ans = "".join(s)
        print(len(ans))
        print(ans)
        exit()


    if n%2 == 0:
        
        s.append("/")
        dfs(n//2,s)
    
    else:

        ans = None
        if 3*n+1 < 10**18:
            s.append("+/")
            dfs((3*n+1)//2,s)
            s.pop()

        if 3*n-1 < 10**18:

            s.append("-/")
            dfs((3*n-1)//2,s)
            s.pop()

    return s


ans = dfs(n,[])