#include<fstream>
#include<stdlib.h>
using namespace std;
long long sa,sb,s;
int a[50001],b[50001],na,nb,n,x[50001],i;
int main()
{ifstream q("semne.in");
ofstream w("semne.out");
q>>n>>s;
na=n/2;
nb=n-na;
for(i=1;i<=n;i++)
 {q>>x[i];
  if(i<=na)
   {a[i]=i;
   sa+=x[i];}
   else
    {b[i-na]=i;
    sb+=x[i];}}
 while((sa-sb)!=s)
   {while((sa-sb)>s)
     {i=rand()%na+1;
      b[++nb]=a[i];
      sa=sa-x[a[i]];
      sb=sb+x[a[i]];
      a[i]=a[na];
      a[na]=0;
      --na;}
  while((sa-sb)<s)
   {i=rand()%nb+1;
    a[++na]=b[i];
    sa=sa+x[b[i]];
    sb=sb-x[b[i]];
    b[i]=b[nb];
    b[nb]=0;
    --nb;}}
 for(i=1;i<=na;i++)
  x[a[i]]=-1;
 for(i=1;i<=n;i++)
  if(x[i]==-1)
   w<<"+";
  else
   w<<"-";}