#include <cstdio>
#include <algorithm>

#define Nmax 3000005

using namespace std;
int N,K,v[Nmax];

int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);

    scanf("%d%d",&N,&K);
    for(int i = 1; i <= N; ++i)
        scanf("%d",&v[i]);
    nth_element(v+1,v+K+1,v+N+1);
    printf("%d\n",v[K]);

    return 0;
}