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

FILE *fin = fopen("sdo.in", "r");
FILE *fout= fopen("sdo.out","w");

int n, k, v[3000010], i;

int main(){
    fscanf(fin, "%d%d", &n, &k);
    for(i = 1; i <= n; i ++)
        fscanf(fin, "%d", &v[i]);
    nth_element(v + 1, v + k, v + n + 1);
    fprintf(fout, "%d", v[k]);
    return 0;
}