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

n = int(input())

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

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