#include <cstring>
#include <cstdio>
#include <cmath>

const int size = 3000003;
int a[size];
int n;
int k;

void hqs(const int l, const int r) {
	int i = l;
	int j = r;
	int p = a[(i + j) / 2];
	while (i <= j) {
		while (a[i] < p) ++i;
		while (a[j] > p) --j;
		if (i <= j) {
			int t = a[i];
			a[i] = a[j];
			a[j] = t;
			++i;
			--j;
		}
	}
	if (l < j && k <= j) hqs(l, j);
	if (i < r && i <= k) hqs(i, r);
}

int main() {
	FILE * in = fopen("sdo.in", "rt");
	FILE * out = fopen("sdo.out", "wt");

	fscanf(in, "%d%d", &n, &k);
	for (int i = 1; i <= n; ++i) {
		fscanf(in, "%d", a + i);
	}


	hqs(1, n);
	fprintf(out, "%d", a[k]);

	fclose(in);
	fclose(out);
}