#include <bits/stdc++.h>

#define ll long long
using namespace std;
ifstream f("semne.in");
ofstream g("semne.out");

const ll NMax = 50003;

ll n,S,s;
ll a[NMax],v[NMax];
vector<ll> pl,ms;

int main()
{
    f >> n >> S;
    for(ll i = 1; i <= n; ++i){
        f >> a[i];

        if(rand() % 2){
            pl.push_back(i);
            s += a[i];
        }else{
            ms.push_back(i);
            s -= a[i];
        }
    }
    srand(time(NULL));
    while(s != S){
        if(s > S && pl.size() != 0){
            ll x = rand();ll y = rand();

            x = (x * y) % pl.size();

            s -= 2 * a[pl[x]];

            ms.push_back(pl[x]);

            pl.erase(pl.begin() + x);
        }else{
            ll x = rand();ll y = rand();

            x = (x * y) % ms.size();

            s += 2 * a[ms[x]];

            pl.push_back(ms[x]);
            ms.erase(ms.begin() + x);
        }
    }
    for(ll i = 0; i < pl.size(); ++i){
        v[pl[i]] = 1;
    }

    for(ll i = 1; i <= n; ++i){
        if(v[i] == 1)
            g << '+';
        else
            g << '-';
    }
    return 0;
}