#include<stdio.h>
#include<stdlib.h>
FILE*f=fopen("semne.in","r");
FILE*g=fopen("semne.out","w");
long s,suma,a[50001],n,minus[50001], plus[50101],p,k;
char u[51011];
void read()
	{
	fscanf(f,"%ld %ld",&n,&s);
	for(int i=1;i<=n;++i)
		{
		fscanf(f,"%ld",&a[i]);
		if(suma+a[i]<=s) u[i]='+',suma+=a[i],plus[++p]=a[i];
		else suma-=a[i], u[i]='-',minus[++k]=a[i];
		}
	}
int main()
	{
	read();
	int i;
	long x;
	while(suma!=s)
		{
		if(suma<s)
			{
			x=rand()%k+1;
			for(i=1;i<=n;++i) if(a[i]==minus[x]) { u[i]='+';  break ;}
			plus[++p]=minus[x];
			for(i=x;i<k;++i) minus[i]=minus[i+1];
			--k;
			suma+=(2*plus[p]);
			}
		else if (suma>s)
			{
			x=rand()%p+1;
			for(i=1;i<=n;++i) if(a[i]==plus[x]) { u[i]='-'; break;}
			suma-=(2*plus[x]);
			minus[++k]=plus[x];
			for(i=x;i<p;++i) plus[i]=plus[i+1];
			--p;
			}
		else break;
		}
	for(i=1;i<=n;++i) fprintf(g,"%c",u[i]);
	return 0;
	}