/* -*- coding: utf-8 -*-
 *
 * 2426.cc:  No.2426 Select Plus or Minus - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

const int MAX_K = 10000;

/* typedef */

typedef long long ll;

/* global variables */

char s[MAX_K + 4];

/* subroutines */

/* main */

int main() {
  ll n;
  scanf("%lld", &n);

  int k = 0;
  while (! (n & 1)) s[k++] = '/', n >>= 1;

  while (n > 1) {
    ll n0 = 3 * n + 1, n1 = 3 * n - 1;
    while (! (n0 & 1)) n0 >>= 1;
    while (! (n1 & 1)) n1 >>= 1;

    if (n0 < n1)
      s[k++] = '+', n = 3 * n + 1;
    else
      s[k++] = '-', n = 3 * n - 1;
    while (! (n & 1)) s[k++] = '/', n >>= 1;
  }
  s[k] = '\0';

  printf("%d\n", k);
  puts(s);
  return 0;
}