#include <iostream>
#include <vector>
using namespace std;
 long long freq[1048580];
int main()
{
    vector<int>v;
   int n,l,u,x,cnt=0;
   cin>>n>>l>>u;
   for(int i=0;i<n;i++){
    cin>>x;
    v.push_back(x);
   }
   int st=0,dr=-1;
   int frecv=0;

   while(st<n){
        dr++;
    freq[v[dr]]++;
    if(freq[v[dr]]==1){
        frecv++;
        cout<<v[dr]<<endl;
    }
    cout<<frecv<<" "<<st<<" "<<dr<<endl;
    if(frecv>=l && frecv<=u){
        cnt=cnt+dr-st+1;
        cout<<cnt<<endl;
    }
   if(frecv>u || dr==n){
        cout<<st;
    if(freq[v[st]]==1){
        frecv=frecv-1;
        freq[v[st]]=0;
        st++;


    cout<<111111111111;}
    else{
            freq[v[st]]--;
        st++;
    }
   }
   }
   cout<<cnt;
}