#include <cstdio>
#include <ctime>
#include <cstdlib>
using namespace std;

int v[50005];
bool semn[50005];


int main()
{
	srand( time(NULL));
	long long Sp=0,Sm=0;
	int n,s;
	freopen("semne.in","r", stdin);
	freopen("semne.out","w",stdout);
	
	scanf("%d %d",&n,&s);
	for(int i=1;i<=n;i++)
	{
		scanf("%d",&v[i]);
		if(i%2==0)
		{	
			semn[i]=0;// +
			Sp+=v[i];
		}
		else
		{
			semn[i]=1; // -
			Sm+=v[i];
		}
	}
	//cout<<Sp<<" "<<Sm<<endl;
	int sumatotala=Sp-Sm;
	int sumainv=Sm-Sp;
	while(sumatotala!=s && sumainv!=s)
	{
		if(sumatotala<s)
		{
			// deci scot un negativ si il transf in pozitiv
			int x=rand()%n;
			while(semn[x]==0)
				x=rand()%n;
			semn[x]=0;
			Sm-=v[x];
			Sp+=v[x];
		}
		else
		{
			int x=rand()%n;
			while(semn[x]==1) 
				x=rand()%n;
			semn[x]=1;
			Sm+=v[x];
			Sp-=v[x];
		}			
			
		sumatotala=Sp-Sm;
		sumainv=Sm-Sp;
	}
	
	if(sumatotala==s)
		for(int i=1;i<=n;i++)
			if(semn[i]==0)
				printf("+");
			else
				printf("-");
	else
		for(int i=1;i<=n;i++)
			if(semn[i]==1)
				printf("+");
			else
				printf("-");
	return 0;
}