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

int i,k,N,v[3000001];
int cmp (const void*x , const void*y)
{
	return *(int*)x - *(int*)y;
}
int main()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%d%d",&N,&k);
	for(i = 0 ; i < N ; ++i )
		scanf("%d",&v[i]);
	
	qsort( v , N , sizeof ( v[0] ), cmp);
	
	printf("%d",v[k-1]);
	return 0;
}