program jk;
var f,g:text;
a:array[1..3000000] of longint;
i,k,x,n,aux,j:longint;
ok:boolean;
begin
assign(f,'sdo.in');
reset(f);
assign(g,'sdo.out');
rewrite(g);
read(f,n,k);
for i:=1 to n do begin
read(f,x);
a[i]:=x;
end;
repeat
ok:=true;
for i:=1 to n-1 do begin
if a[i]>a[i+1] then begin aux:=a[i];
                        a[i]:=a[i+1];
                        a[i+1]:=aux;
                        ok:=false;
                  end;
                  end;
until ok=true;
write(g,a[k]);
close(f);close(g);
end.