#include <cstdio>
#include <algorithm>
 
using namespace std;
 
#define NMAX 3000005
 
int N,K,Sol,V[NMAX];
 
int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
 
    scanf("%d%d",&N,&K);
 
    for(int i=1;i<=N;i++)
        scanf("%d",&V[i]);
 
    nth_element(V + 1, V + K, V + N + 1);
 
    printf("%d\n",V[K]);
 
    return 0;
}