#include<stdio.h>
#include<math.h>
#include<iostream.h>
#include<stdlib.h>

long s, v[50002], n, semn[50002], suma, suma2;

int main()
{
  freopen("semne.in","r",stdin);
  freopen("semne.out","w",stdout);

  scanf("%ld %ld", &n, &s);

  long long i, j, x;
  suma=0;
  for (i=1; i<=n; i++) scanf("%ld",&v[i]), semn[i]=1, suma+=v[i];


  while (suma!=s)
    {
      x=rand()%(n+1);
	if ((suma<s) && semn[x]==-1) suma+=(v[x]<<1), semn[x]=1;
	else if (suma>s && semn[x]==0) suma-=(v[x]<<1), semn[x]=1;
      
      
    }
  for (i=1; i<=n; i++)
    if (semn[i]==1) 
 	 printf("+");
    else printf("-");
    
  return 0;
}