#include<stdio.h>
#include<stdlib.h>
#define Max 50003
FILE*f=fopen("semne.in","r");
FILE*g=fopen("semne.out","w");
long s,suma,a[Max],n,minus[Max], plus[Max],p,k;
char u[Max];
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[a[i]]='+',suma+=a[i],plus[++p]=i;
		else suma-=a[i], u[a[i]]='-',minus[++k]=i;
		}
	}
int main()
	{
	read();
	int i;
	long x;
	while(suma!=s)
		{
		if(suma<s)
			{
			x=rand()%k+1;
			suma+=2*a[minus[x]];
			plus[++p]=x;
			u[minus[x]]='+';
			minus[x]=minus[k];
			k--;
			}
		else if(suma>s)
			{
			x=rand()%p+1;
			suma-=2*a[plus[x]];
			minus[++k]=x;
			u[plus[x]]='-';
			plus[x]=plus[p];
			--p;
			}
		}
	for(i=1;i<=n;++i) fprintf(g,"%c",u[i]);
	return 0;
	}