#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
int main()
{
	vector<int> a;
	int i,j,n,m;
freopen("sdo.in","r",stdin);
freopen("sdo.out","w",stdout);
scanf("%d%d",&n,&m);
for(i=1;i<=n;i++)
{
	scanf("%d",&j);
	a.push_back(j);
}
sort(a.begin(),a.end());
printf("%d",a[m-1]);
return 0;
}