#include <stdio.h>
#include <stdlib.h>
int a[3000001];
int main()
{
    int n,m,i,j,aux;

    freopen("sdo.in","r",stdin);
    freopen("sdo.out","w",stdout);

    scanf("%i",&n);
    scanf("%i",&m);
    for(i=0;i<n;i++)
    scanf("%i",&a[i]);

    for(i=0;i<n-1;i++)
    {
        j=i+1;
        while(a[i]<a[j]&&j<n-1)
        j++;
        if(a[i]>a[j])
        {aux=a[i];
        a[i]=a[j];
        a[j]=aux;
        i--;
    }}
    printf("%i",a[m-1]);

    return 0;
}