#include<bits/stdc++.h>
using namespace std;
int n,k,a[1010],t,b[300010],c;
int main(){
	cin>>n>>k;
	for(int i=1;i<=n;i++){
		cin>>t,b[t]++;
		if(b[t]==1) a[++c]=t;
	}
	sort(a+1,a+c+1);
	if(k<=c) cout<<a[k];
	else cout<<"NO RESULT";
	return 0;
}