#include <bits/stdc++.h>

using namespace std;

unsigned int n, k, a[3000001];

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