#include <iostream>
#include <cstdio>
#include <algorithm>

using namespace std;

int a[3000000];

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