#include <cstdio>
#include <algorithm>
#define n_max 3000005

using namespace std;

int n , k , v[n_max] ;

void citire() ;
void sortare() ;

int main()
{
    freopen( "sdo.in" , "r" , stdin ) ;
    freopen( "sdo.out" , "w" , stdout ) ;
    citire() ;
    sortare() ;
    printf( "%d\n" , v[k-1] ) ;
    return 0;
}

void citire()
{
    scanf( "%d %d" , &n , &k ) ;
    for ( int i = 0 ; i < n ; i ++ )
        scanf( "%d" , &v[i] ) ;
}

void sortare()
{
    nth_element( v , v + k , v + n ) ;
}