#include <bits/stdc++.h>
using namespace std;

vector<int> sol(vector<pair<int, int>>& wv, const int MAX_W) {
    vector<int> dp(MAX_W + 1, -1e9);
    dp[0] = 0;

    for (int i = 0; i < wv.size(); i++) {
        vector<int> ndp(MAX_W + 1, -1e9);
        auto [w, v] = wv[i];

        for (int i = 0; i <= MAX_W; i++) {
            ndp[i] = max(ndp[i], dp[i]);
            if(i + w <= MAX_W) ndp[i + w] = max(ndp[i + w], dp[i] + v);
        }

        dp.swap(ndp);
    }

    return dp;
}

int main() {
    int n, max_w, d;
    cin >> n >> max_w >> d;

    vector<pair<int, int>> t0, t1;
    for (int i = 0; i < n; i++) {
        int t, w, v;
        cin >> t >> w >> v;
        if (t == 0) t0.emplace_back(w, v);
        if (t == 1) t1.emplace_back(w, v);
    }

    vector<int> dp0 = sol(t0, max_w);
    vector<int> dp1 = sol(t1, max_w);


    int ans = 0;
    for (int i = 0; i <= max_w; i++) {
        for (int j = 0; j <= max_w; j++) {
            if (i + j > max_w) break;
            if (abs(i - j) > d) continue;
            ans = max(ans, dp0[i] + dp1[j]);
        }
    }
    cout << ans << endl;
}