# include <vector>
# include <cstdio>
# include <algorithm>
using namespace std;
int i,x,n,k;
vector <int> v;
int main()
{freopen("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
scanf("%d%d",&n,&k);
for (i=1; i<=n; i++) {
    scanf("%d",&x);
    v.push_back(x);
}

nth_element(v.begin(),v.begin()+k-1,v.end());
vector <int> :: iterator y=v.begin()+k-1;

printf ("%d\n", *y);
}