#include<bits/stdc++.h>
using namespace std;
int a[105],n,i,s,x,y = 1,z = 1;
int main(){
	cin >> n >> x;
	for(i = 1; i <= n; i++){
		cin >> a[i];
		s += a[i];
	}
	sort(a + 1,a + n + 1);
	if(s % n == 0 && s / n == a[1] || n < 2) cout<< "NO RESULT" ;
	else{
		for(i = 1; i <= n; i++){
			if(a[i] > a[z]){
				z = i;
				y++;
				if(y == x) cout<< a[z] ;
				return 0;
			}
		}
	}
}