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

int n, W, d, t[5100], w[5100], v[5100], dp1[5100][5100], dp2[5100][5100], a[5100], b[5100];

int main() {
    cin >> n >> W >> d;

    for (int i = 0; i < n; i++) cin >> t[i] >> w[i] >> v[i];
    for(int i = 0; i <= n; i++){
      for(int j = 0; j <= W; j++){
        dp1[i][j]=-1e9,dp2[i][j] = -1e9;
      }
    }
    dp1[0][0] = 0,dp2[0][0]=0;

    for (int i = 0; i < n; ++i) {
        for (int j = W; j >=0; j--) {
            if (j >= w[i] && t[i] == 0) dp1[i+1][j] = max(dp1[i][j-w[i]] + v[i], dp1[i][j]);
            else dp1[i+1][j] = dp1[i][j];
        }
    }
    for (int i = 0; i < n; ++i) {
        for (int j = W; j >=0; j--) {
            if (j >= w[i] && t[i] == 1) dp2[i+1][j] = max(dp2[i][j-w[i]] + v[i], dp2[i][j]);
            else dp2[i+1][j] = dp2[i][j];
        }
    }
    int ans = 0;
    for(int k = 0; k <= W; k++) {
        for(int j = 0; j <= W-k; j++) { 
            if (abs(k-j) > d) continue;
            ans = max(ans, a[k] + b[j]);
        }
    }
    cout << ans;
    return 0;
}