#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <iostream>
#include <fstream>

using namespace std;

//FILE *in = fopen("semne.in","r"), *out = fopen("semne.out","w");
ifstream in ("semne.in");
ofstream out("semne.out");

int a[50000];
int n;
long long s = 0;

int b[5000000] = {0};

void read()
{
    in >> n >> s;

    for ( int i = 0; i < n; ++i )
        in >> a[i];
}

long long sum()
{
    long long sm = 0;

    for ( int i = 0; i < n; ++i )
        if ( b[a[i]] == 0 )
            sm -= a[i];
        else
            sm += a[i];

    return sm;
}

int main()
{
    read();
    srand((unsigned)time(0));

    long long sol = 0;

    for ( int i = 0; i < n; ++i )
        sol -= a[i];

    while ( sol != s )
    {
        int t = rand() % n;
        if ( sol < s && b[a[t]] == 0 )
        {
            b[a[t]] = 1;
            sol = sum();
        }
        else if ( sol > s && b[a[t]] == 1 )
        {
            b[a[t]] = 0;
            sol = sum();
        }
    }

    for ( int i = 0; i < n; ++i )
        if ( b[a[i]] == 0 )
            out << "-";
        else
            out << "+";

    out << endl;

	return 0;
}