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#include <iostream>
#include <fstream>
#include <random>
#define MAX 50010
using namespace std;
typedef long long ll;
ll n,s,nrp,nr,st,dr,mij,sf;
ll a[MAX];
bool sm[MAX];
ll aib[MAX];
ll nsb(ll nr){return nr^(nr&(nr-1));}
void update(ll nr,ll incr){for(;nr<MAX;nr+=nsb(nr))aib[nr]+=incr;}
ll query(ll nr){
ll ansa=0;
for(;nr;nr-=nsb(nr))ansa+=aib[nr];
return ansa;
}
int main()
{
ifstream f ("semne.in");
ofstream g ("semne.out");
f>>n>>sf; for(ll i=1;i<=n;i++)f>>a[i],s+=a[i],sm[i]=1,update(i,1);
nrp=n;
default_random_engine g1,g2;
uniform_int_distribution<int> distribution(1,n); //??
while(s!=sf){
//cout<<nr<<'\n';
if(s<sf){
nr=distribution(g1);
// cout<<"\ns<sf\n";
// for(ll i=1;i<=n;i++)cout<<((sm[i])?"+ ":"- ");
// cout<<'\n'<<nr<<" \n";
if(sm[nr]==0)s+=2*a[nr];
sm[nr]=1;
} else {
nr=distribution(g2);
// cout<<"\ns>sf\n";
// for(ll i=1;i<=n;i++)cout<<((sm[i])?"+ ":"- ");
// cout<<'\n'<<nr<<" \n";
if(sm[nr]==1)s-=2*a[nr];
sm[nr]=0;
}
}
for(ll i=1;i<=n;i++)
if(sm[i]==0)g<<'-';
else g<<'+';
g<<'\n';
f.close ();
g.close ();
return 0;
}