#include <cstdio>
#include <algorithm>
#define Nmax 3000005

using namespace std;

int v[Nmax];

int main()
{
    int N,K,i;
    freopen ("sdo.in","r",stdin);
    freopen ("sdo.out","w",stdout);
    scanf("%d%d", &N,&K);
    for(i=1;i<=N;++i)
        scanf("%d", &v[i]);
    nth_element(v+1,v+K,v+N+1);
    printf("%d\n", v[K]);
    return 0;
}