#include <iostream>
#include <ctime>
using namespace std;

int N, A[50001], P[50001], M[50001], np, nm;
bool Sgn[50001];
long long S, sc;

int main() {
    srand(time(NULL));
    FILE *f1=fopen("semne.in", "r"), *f2=fopen("semne.out", "w");
    int i, j, p, q;
    nm=np=1;
    fscanf(f1, "%d%lld", &N, &S);
    for(i=1; i<=N; i++) {
         fscanf(f1, "%d", &A[i]);
         if(sc<=S) { sc+=A[i]; Sgn[i]=1; P[np]=i; np++; }
         else { sc-=A[i]; Sgn[i]=0; M[nm]=i; nm--; }
    }
    while(sc!=S) {
         if(sc<S) {
              p=rand()%nm+1;
              Sgn[A[M[p]]]=1;
              sc+=2*A[M[p]];
              P[np]=M[p]; np++;
              M[p]=M[nm]; nm--;
         }
         else {
              p=rand()%np+1;
              Sgn[A[P[p]]]=0;
              sc-=2*A[P[p]];
              M[nm]=P[p]; nm++;
              P[p]=P[np]; np--;
         }
    }
    for(i=1; i<=N; i++) {
         if(Sgn[i]) { fprintf(f2, "+"); continue; }
         fprintf(f2, "-");
    }
    fclose(f1); fclose(f2);
    return 0;
}