#include <bits/stdc++.h>
using namespace std;
int main ()
{
long long a[100005];
int k,n,i,s=1;
cin>>n>>k;
int book;
for (i=1;i<=n;i++)
	cin>>a[i];
sort(a+1,a+n+1);
for(i=1;i<n;i++)
{   if (s==k)
    {
    	cout<<a[i];
    	book=1;
    	break;
	 }
	if (a[i+1]!=a[i])
	{
		s++;
	}
}
if (!book)
{
	cout<<"NO RESULT";
}
}