#include<stdio.h>
#include<stdlib.h>
#include<string.h>
int v[500005],x[500005],i,j,k,l,m,n,sum,s1;
int main(){
FILE *f=fopen("semne.in","r");
FILE *g=fopen("semne.out","w");
fscanf(f,"%d %d",&n,&sum);
for(i=1;i<=n;i++)
        {fscanf(f,"%d",&x[i]);
        s1+=x[i];
        v[i-1]=1;
        }
while(s1!=sum)
        {k=rand()%(n-1);
        v[k]*=-1;
        s1+=2*x[k+1]*v[k];
        }
for(i=0;i<n;i++)
if(v[i]==1)
        fprintf(g,"%c",'+');
else
        fprintf(g,"%c",'-');
fclose(f);
fclose(g);
return 0;}