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

using namespace std;

//FILE *in = fopen("semne.in","r"), *out = fopen("semne.out","w");
ifstream in ("semne.in");
ofstream out("semne.out");

long long a[50000];
long n;
long long s = 0;
long long sol = 0;

int b[5000000] = {0};

void read()
{
    in >> n >> s;

    for ( int i = 0; i < n; ++i )
    {
        in >> a[i];
        sol-=a[i];
    }
    cout<<endl;
}

long long sum()
{
    unsigned long long sm = 0;

    for ( int i = 0; i < n; ++i )
        if ( b[a[i]] == 0 )
            sm -= a[i];
        else
            sm += a[i];

    return sm;
}

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

    while ( sol != s )
    {
        int t = rand() % n;
        b[a[t]] = !b[a[t]];
        if (b[a[t]==0)
         sol-=2*a[t];
        else
         sol+=2*a[t];
        // sol=sum();
    }

    for ( int i = 0; i < n; ++i )
        if ( b[a[i]] == 0 )
            out << "-";
        else
            out << "+";

	return 0;
}