#include<bits/stdc++.h> 
using namespace std;
int b[1005];
set<int> a;
int main(){
	//freopen("a.in","r",stdin);
	int n,k;
	cin>>n>>k;
	for(int i=0;i<n;i++){
		int x;
		cin>>x;
		a.insert(x);
	}
	set<int>::iterator it = a.begin();
    advance(it, k-1);
	if(*it!=0){
		cout<<*it;
	}else{
		cout<<"NO RESULT";
	}
}