#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<ctime>
#include<algorithm>
using namespace std;
int n,i,j,k,x,y,v[50001],st[50001],dr[50001],R;
char semn[50001];
long long sum,s;

int main()
{
	freopen("semne.in","r",stdin);
	freopen("semne.out","w",stdout);
	srand(time(0));
	scanf("%d",&n);
	scanf("%lld",&s);
	for (i=1;i<=n;i++)
	{
		scanf("%d",&v[i]);
		if (sum<s) st[++x]=i,sum=sum+v[i],semn[i]='+';else
			dr[++y]=i,sum=sum-v[i],semn[i]='-';
	}
	while (sum!=s)
	{
		if (sum<s)
		{
			R=rand()%y+1;
			sum=sum+2*v[dr[R]];
			semn[dr[R]]='+';
			swap(dr[R],dr[y]);
			st[++x]=dr[y];
			dr[y]=0;
		}else
		{
			R=rand()%x+1;
			sum=sum-2*v[st[R]];
			semn[st[R]]='-';
			swap(st[R],st[x]);
			dr[++y]=st[x];
			st[x]=0;
		}
	}
	for (i=1;i<=n;i++) printf("%c",semn[i]);
	return 0;
}