#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(int)(n);i++)

void chmax(ll &a,ll b){
	if(a<b) a=b;
}

int main(){
	int n,l,r;
	cin>>n>>l>>r;
	vector<ll> a(n);
 	rep(i,n) cin>>a.at(i);
	sort(a.begin(),a.end());
	auto isok=[&](ll x){
		return l<=x&&x<=r;
	};
	vector<vector<ll>> dp(n,vector<ll>(n,-1));
	vector<vector<ll>> vmx(n,vector<ll>(n+1,-1));
	rep(chs,n){
		dp.at(chs).at(chs)=1;
		vmx.at(chs).at(chs+1)=1;
		rep(i,chs){
			if(isok(a.at(i)*a.at(chs))){
				ll up=chs;
				ll dw=i;
				while(up-dw>1){
					ll md=(up+dw)/2;
					if(isok(a.at(md)*a.at(chs))) dw=md;
					else up=md;
				}
				ll g=vmx.at(i).at(up);
				chmax(dp.at(i).at(chs),g+1);
				chmax(vmx.at(i).at(chs+1),max(vmx.at(i).at(chs),g+1));
			}
		}
	}
	ll ans=0;
	rep(i,n) rep(j,n){
		chmax(ans,dp.at(i).at(j));
	}
	cout<<ans<<endl;
}