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

long long S, sum;
int N;
bool semn[50001];
long long A[50001];

int main()
{
    FILE *fin = fopen("semne.in", "rt");
    FILE *fout = fopen("semne.out", "wt");
    int i = 0;
    srand( (unsigned)time(0) );
    fscanf(fin, "%d %lld", &N, &S);
    for (i = 1; i <= N; i++)
    {
        fscanf(fin, "%lld", &A[i]);
        int v = rand() % 2;
        if (v == 0) sum += A[i];
        else sum -= A[i], semn[i] = -1;
    }
    fclose(fin);
    int v;
    while (S != sum)
    {
        if (S < sum) 
        { 
            v = (rand() % N) + 1;
            while (semn[v])
            {
                v = (rand() % N) + 1; 
            }
            semn[v] = 1;
            sum -= 2*A[v];
        }
        if (S > sum)
        {
            v = (rand() % N) + 1;
            while (!semn[v])
            {
                v = (rand() % N) + 1;
            }
            semn[v] = 0;
            sum += 2*A[v];
        }
    }    
    
    for (i = 1; i <= N; i++)
        if (semn[i] == 0) 
        fprintf(fout, "+");
        else  fprintf(fout, "-");
    fclose(fin);
    
    return 0;
}