#include<cstdio>
#include<cstdlib>
#include<ctime>
using namespace std;
void merg(int st,int dr,int k)
{
    int piv=st+rand()%(dr-st+1);
    int i=st,j=dr,p=v[piv];
    while(i<j)
    {
        while(v[i]<p)
            i++;
        while(v[j]>p)
            j--;
        if(i<j)
            swap(v[i],v[j]);
        else
            r=i;
    }
    if(r>k)
    {
        merg(r+1,dr,k);
    }
    else
    {
        if(r<k)
        {
            merg(st,r-1,k);
        }
    }
}
int main()
{
    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);
    srand(time(0));
    int n,k,i;
    scanf("%d%d",&n,&k);
    for(i=1;i<=n;i++)
    {
        scanf("%d",&v[i]);
    }
    merg(1,n,k);
    printf("%d",v[k]);
    return 0;
}