#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define X first
#define Y second
#define SZ(a) ((int)a.size())
#define ALL(v) v.begin(), v.end()
#define pb push_back

const int MAXC = 1e9;
ll arr[5005];
int dp[5005][5005];
pii itv[5005];

ll floor(ll a, ll b) 
{ return a / b - (a % b && (a < 0) ^ (b < 0)); }
ll ceil(ll a, ll b)
{ return a / b + (a % b && (a < 0) ^ (b > 0)); }

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n;
    ll l, r;
    cin >> n >> l >> r;
    for (int i = 1; i <= n; ++i)
        cin >> arr[i];
    sort(arr + 1, arr + n + 1);
    for (int i = 1; i <= n; ++i) {
        int lft, rgt;
        if (arr[i] > 0) {
            lft = ceil(l, arr[i]);
            rgt = floor(r, arr[i]);
        }
        else if (arr[i] == 0) {
            lft = -MAXC;
            rgt = MAXC;
        }
        else {
            lft = ceil(r, arr[i]);
            rgt = floor(l, arr[i]);
        }
        itv[i].X = lower_bound(arr + 1, arr + n + 1, lft) - arr;
        itv[i].Y = upper_bound(arr + 1, arr + n + 1, rgt) - arr - 1;
    }
    int ans = 1;
    for (int i = 1; i <= n; ++i)
        for (int j = i; j >= 1; --j) {
            dp[j][i] = max(dp[j + 1][i], dp[j][i - 1]);
            dp[j][i] = max(dp[j][i], dp[max(j + 1, itv[j].X)][min(i, itv[j].Y)] + 1);
            dp[j][i] = max(dp[j][i], dp[max(j, itv[i].X)][min(i - 1, itv[i].Y)] + 1);
            ans = max(ans, dp[j][i]);
        }
    for (int i = 1; i <= n; ++i)
        if (clamp(i, itv[i].X, itv[i].Y) != i)
            ans = max(ans, dp[itv[i].X][itv[i].Y] + 1);

    cout << ans << "\n";
}