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

long long s, v[50002], n, semn[50002], suma, minus[50002], plus[50002], a, b;

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

  scanf("%lld %lld", &n, &s);
  srand(time(0)); 
  long long i, x;

  for (i=0; i<n; i++) { scanf("%lld",&v[i]), semn[i]=rand()&1; if (semn[i]==0) suma+=v[i], plus[++a]=i; else suma-=v[i], minus[++b]=i;}
  

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