#include <cstdio>
#include <algorithm>
 
using namespace std;
 
#define FIN "sdo.in"
#define FOUT "sdo.out"
#define MAX_N 3000005
 
int N, K, A[MAX_N];

int main()
{
    freopen (FIN, "r", stdin);
    freopen (FOUT, "w", stdout);	
 
    scanf ("%d %d", &N, &K);
    for(int i = 1; i <= N; ++i)
 	scanf ("%d", A + i);
 
    nth_element(A + 1, A + K, A + N + 1);
 
    printf ("%d\n", A[K]);

    return 0;
}