#include<cstdio>
#include<ctime>
#include<algorithm>
#include<cstdlib>

using namespace std;

int A[3000005],N,K;

void dei(int st,int dr)
{
    if(st==dr) return;
    int i=st,j=dr,p=A[st+rand()%(dr-st+1)];
    for(;;)
    {
        while(A[i]<p) i++;
        while(p<A[j]) j--;
        if(i<j) swap(A[i],A[j]);
        else break;
    }
    if(i>=K) dei(st,i);
    else dei(i+1,dr);
}

int main()
{
    int i;
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
    srand(time(NULL));
    scanf("%d%d",&N,&K);
    for(i=1;i<=N;i++)
        scanf("%d",&A[i]);
    dei(1,N);
    printf("%d\n",A[K]);
    return 0;
}