#include<cstdio>
#include<algorithm>
#include<vector>
using namespace std;
int i,j,k;
vector <int> v;
int main ()
{
freopen("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
int n;
scanf("%d",&n);
scanf("%d",&k);
for(i=1;i<=n;i++)
    {
    scanf("%d",&j);
    v.push_back(j);
    }
k--;
std::nth_element(v.begin(),v.begin()+k,v.end());
printf("%d",v[k]);
return 0;
}