#include <stdio.h>
#include <algorithm>
#define NMAX 3000002

using namespace std;

int v[NMAX];
int n;

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