#include<fstream>
#include<cstdlib>
#include<ctime>
#define DIM 50005
using namespace std;
ifstream fin("semne.in");
ofstream fout("semne.out");
int n, v[DIM], H1[DIM], H2[DIM], k1, k2;
char f[DIM];
long long sum, s;
int main(){
    fin >> n >> sum;
    s = 0;
    for( int i = 1; i <= n; i++ ){
        fin >> v[i];
        if( s < sum ){
            s += v[i];
            H1[++k1] = i;
        }else{
            s -= v[i];
            H2[++k2] = i;
        }
    }
    srand( time( NULL ) );
    while( s != sum ){
        if( s > sum ){
            int p = rand() % k1 + 1;
            s -= 2 * v[ H1[p] ];
            swap( H1[p], H1[k1] );
            H2[++k2] = H1[k1];
            H1[k1] = 0;
            k1--;
        }else{
            int p = rand() % k2 + 1;
            s += 2 * v[ H2[p] ];
            swap( H2[p], H2[k2] );
            H1[++k1] = H2[k2];
            H2[k2] = 0;
            k2--;
        }
    }
    for( int i = 1; i <= k1; i++ ){
        f[ H1[i] ] = 1;;
    }
    for( int i = 1; i <= n; i++ ){
        if( f[i] == 1 ){
            fout << "+";
        }else{
            fout << "-";
        }
    }
    return 0;
}