#include <cstdio>
#include <vector>
#include <algorithm>

using namespace std;

vector < int > A;
int X,N,K,i;

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);
        A.push_back(X);
    }

    nth_element(A.begin(),A.begin()+K-1,A.end());

    printf("%d\n",A[K-1]);

    return 0;
}