type punct=record
x:longint;
y:char;
end;
var  i,n,k,s,j:longint;
     v:array[1..50000]of punct;
     ok:boolean;
begin
assign(input,'semne.in');reset(input);
assign(output,'semne.out');rewrite(output);
Randomize;
read(n);
read(k);
ok:=true;
for i:=1 to n do read(v[i].x);
while ok do begin
for i:=1 to n do begin
if random(1000) mod 2=1 then v[i].y:='+'else v[i].y:='-';
if v[i].y='-'then s:=s-v[i].x else s:=s+v[i].x;
end;
if s=k then begin
ok:=false;
for j:=1 to n do write(v[j].y);
end else s:=0;
end;
end.