from collections import defaultdict as dd
import sys
sys.setrecursionlimit(10 ** 4 + 1)

n = int(input())

dic = dd(lambda:"")
ans = list()

try:
    def dfs(v):
        if v == 1:
            ans.append(dic[v])
        if v % 2 == 0:
            dic[v//2] = dic[v] + "/"
            v //= 2
            dfs(v)
        else:
            dic[3*v+1] = dic[v] + "+"
            dfs(3*v+1)
            dic[3*v-1] = dic[v] + "-"
            dfs(3*v-1)
    m = n
    dfs(m)
    #print(ans)
    print(len(ans[0]))
    print(ans[0])
except:
    print(len(ans[0]))
    print(ans[0])