#include <iostream>
#include <algorithm>

using namespace std;

const int N = 100010;

int a[N];
int main()
{
    int n, k;
    scanf("%d%d", &n, &k);
    for(int i = 1; i <= n; i ++) cin >> a[i];
    sort(a, a + n + 1);
    cout << a[k] << endl;
    return 0;
}