from collections import defaultdict as dd
import sys
sys.setrecursionlimit(1 << 20)

n = int(input())

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

def dfs(v):
    if v == 1:
        ans.append(dic[v])
    if v % 2 == 0:
        dic[v//2] = dic[v] + "/"
        v //= 2
        dfs(v)
    else:
        if dic[3*v+1] == "":
            dic[3*v+1] = dic[v] + "+"
            dfs(3*v+1)
        elif dic[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])