#include <cstdio>
#include <algorithm>
using namespace std;

int n, k, v[3000005];

int main()
{
    int 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", v[k]);
    return 0;
}