#include<bits/stdc++.h> using namespace std; int n,k,a[30010],s,f,cscs; int main(){ cin>>n>>k; for(int i=1;i<=n;i++){ cin>>s; a[s]++; } for(int i=1;i<=30009;i++){ if(a[i]) f++; if(f==k){ cout<<i; cscs=1; break; } } if(!cscs) cout<<"NO RESULT"; return 0; }