#include <stdio.h>
#include <time.h>
#include <assert.h>
#include <stdlib.h>
#define NMAX 50500

int x[NMAX], used[NMAX], available[NMAX];
bool semn[NMAX];

void swap(int &X, int &Y)
{
    int aux = X;
    X = Y;
    Y = aux;
}

int main()
{
    int i, N, pos;
    long long S, ss = 0, nowSum = 0;

    freopen("semne.in", "r", stdin);
    freopen("semne.out", "w", stdout);

    srand(time(0));

    scanf("%d%lld", &N, &S);
    for (i = 1; i <= N; i ++)
    {
        scanf("%d", &x[i]);
        ss += x[i];
    }

    ss = (ss - S) / 2;
    for (i = 1; i <= N; i ++)
        if (x[i] <= ss)
            available[++ available[0]] = i;

    while (nowSum != ss)
    {
        if (nowSum < ss)
        {
            pos = rand() % available[0] + 1;
            semn[available[pos]] = 1;
            nowSum += x[available[pos]];
            swap(available[pos], available[available[0]]);
            available[0] --;
            used[++ used[0]] = available[available[0] + 1];
        }
        if (nowSum > ss)
        {
            pos = rand() % used[0] + 1;
            semn[used[pos]] = 0;
            nowSum -= x[used[pos]];
            swap(used[used[0]], used[pos]); used[0] --;
            available[++ available[0]] = used[used[0] + 1];
        }
    }

    for (i = 1; i <= N; i ++)
        printf("%c", semn[i] ? '-' : '+');
    return 0;
}