#include<fstream>
#include<algorithm>
using namespace std;
ifstream fi("sdo.in");
ofstream fo("sdo.out");
int n,k,i,A[3000001];
int main()
{
    fi>>n>>k;
    for(i=1; i<=n; i++)
        fi>>A[i];
    nth_element(A+1,A+k,A+n+1);
    fo<<A[k]<<"\n";
    fi.close();
    fo.close();
    return 0;
}