#include <iostream>

#define NMax 3000000

using namespace std;

int N, K, X[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", &X[i]);
    }
    nth_element (X+1, X+K, X+N+1);
    printf ("%d\n", X[K]);
    return 0;
}