#include<stdio.h>
#include<stdlib.h>

struct asd{int x;};
asd v[3000000];
int i,n,k,x;

int cmp(const void *a, const void *b)
{
	return ((asd *)a)->x-((asd *)b)->x;
}

int main()
{
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);
	scanf("%d %d", &n, &k);
	for(i=1;i<=n;i++)
		scanf("%d", &v[i].x);
	v[0].x=-1000000001;
	qsort(v, n+1, sizeof(asd), cmp);
	printf("%d\n", v[k]);
		
	return 0;
}