#include <stdio.h>
#include <iostream>
#include <algorithm>

using namespace std;

int v[3000001];

int main()
{
	int n, k;
	FILE *fdin = fopen("sdo.in", "r");
	FILE *fdout = fopen("sdo.out", "w");
	fscanf(fdin, "%d%d", &n, &k);
	for (int i = 1; i <= n; i++) fscanf(fdin, "%d", &v[i]);
	fclose(fdin);
	nth_element(v + 1, v + k, v + n + 1);
	fprintf(fdout, "%d\n", v[k]);
	fclose(fdout);
	return 0;
}