#include <cstdio>
#include <algorithm>
using namespace std;

#define Nmax 3000002

FILE *f = fopen ( "sdo.in", "r" );
FILE *g = fopen ( "sdo.out", "w" );

int v[Nmax];

int main(){

    int N, K;

    fscanf ( f, "%d%d", &N, &K );

    for ( int i = 1; i <= N; ++i )
        fscanf ( f, "%d", &v[i] );

    nth_element ( v + 1, v + K + 1,  v + N + 1 );

    fprintf ( g, "%d", v[K] );

    return 0;
}