#include<bits/stdc++.h> using namespace std; int a[10001],k,n,c,m,ans,i; int main(){ cin>>n>>k; while(n--){ cin>>c; int f=0; for(int j=1;j<=i;j++){ if(a[j]==c)f=1; } if(!f)a[++i]=c; } sort(a+1,a+i+1); if(k<=i)cout<<a[k]<<endl; else cout<<"NO RESULT"; return 0; }