#include <cstdio>
#include <algorithm>

using namespace std;
int n, p, i, v[3000005];
int main()
{
    freopen("sdo.in", "r", stdin);
    freopen("sdo.out", "w", stdout);
    scanf("%d%d", &n, &p);
    for(i=1;i<=n;i++)
        scanf("%d", &v[i]);
    nth_element(v+1, v+p, v+n+1);
    printf("%d", v[p]);
    return 0;
}