#include <stdio.h>
int main() {
	int n;
	int k;
	int a[100001];
	scanf("%d %d", &n,&k);
	for (int i = 0; i < n; i++) {
		scanf("%d", &a[i]);
		for (int j = 0; j <= i-1; j++) {
			if (a[i] < a[j]) {
				int t = a[j];
				a[j] = a[i];
				a[i] = t;
			}
	}
	}

	printf("%d", a[k]);
	
	return 0;
}