#include <stdio.h>
#include <algorithm>
using namespace std;
int v[3000001],n,k;

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