#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>

using namespace std;

ifstream in ("semne.in");
ofstream out ("semne.out");

int V[50010];
int Plus[50010], Minus[50010];
bool Ok[50010];

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

    int N, S, i, now = 0, poz;

    in >> N >> S;
    for (i = 1; i <= N; i ++){
        in >> V[i];
        Plus[++ Plus[0]] = i;
        now += V[i];
    }

    while (now != S){
        if (now > S){
            poz = (rand () % Plus[0]) + 1;
            now -= 2 * V[Plus[poz]];
            Ok[Plus[poz]] = 1;
            Minus[++ Minus[0]] = poz;
            swap (Plus[poz], Plus[Plus[0]]);
            Plus[0] --;
        }

        if (now < S){
            poz = (rand () % Minus[0]) + 1;
            now += 2 * V[Minus[poz]];
            Ok[Minus[poz]] = 0;
            Plus[++ Plus[0]] = poz;
            swap (Minus[poz], Minus[Minus[0]]);
            Minus[0] --;
        }

        if (now == S)
            break;
    }

    for (i = 1; i <= N; i ++)
        if (!Ok[i])
            out << "+";
        else
            out << "-";

    return 0;
}