#include <algorithm>
using namespace std;

#define DIM 3000001
#define MAX 10001

char s[ MAX ];
int n, k, cnt, a[ DIM ];

inline void read( int &x ) {

    while( !isdigit( s[ cnt ] ) )
        if( ++cnt == MAX ) {

            fread( s, 1, MAX, stdin );
            cnt = 0;
        }
    for( x = 0; isdigit( s[ cnt ] ); ) {

        x = x*10 + s[ cnt ] - '0';
        if( ++cnt == MAX ) {

            fread( s, 1, MAX, stdin );
            cnt = 0;
        }
    }
}

int main() {

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

    int i;

    read( n );
    read( k );
    for( i = 1; i <= n; ++i )
        read( a[ i ] );

    nth_element( a+1, a+k, a+n+1 );

    printf( "%d", a[ k ] );

    return 0;
}