#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <vector>

using namespace std;

const int MAX_N = 50000;

int v[MAX_N],n,P,S;
int semn[MAX_N];
char show[MAX_N];

vector<int> plus;
vector<int> minus;

int get(vector<int> & now)
{
    if(now.size() == 0)
        return 0;

    int ret = rand() % now.size();
    swap(now[ret],now.back());
    ret = now.back();
    now.pop_back();

    return ret;
}

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

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

    scanf("%d%d",&n,&P);

    int i;

    for(i = 0 ; i < n ; ++ i){
        scanf("%d",v+i);

        if(i & 1){
            semn[i] = 1;
            plus.push_back(i);
        }else{
            semn[i] = -1;
            minus.push_back(i);
        }
        S += semn[i] * v[i];
    }

    while(S != P){
        if ( S < P )
            i = get(minus);
        else i = get(plus);
        semn[i] *= -1;
        S += 2 * semn[i] * v[i];
    }
    for(i = 0 ; i < n ; ++ i)
        if(semn[i] == 1)
            show[i] = '+';
        else show[i] = '-';

    printf("%s\n",show);
}