#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int N, S;
cin >> N >> S;
vector<int> V(N), W(N), K(N);
for (int i = 0; i < N; i++) cin >> V[i] >> W[i] >> K[i];
vector<long long> dp(S + 1, -1e18);
dp[0] = 0;
for (int i = 0; i < N; i++) {
int w = W[i], v = V[i], k = K[i];
// chia theo modulo
for (int r = 0; r < w; r++) {
deque<pair<long long,int>> dq;
for (int j = 0; r + j * w <= S; j++) {
int idx = r + j * w;
long long val = dp[idx] - 1LL * j * v;
// pop từ sau nếu không tốt hơn
while (!dq.empty() && dq.back().first <= val) dq.pop_back();
dq.emplace_back(val, j);
// pop từ trước nếu quá K bước
while (!dq.empty() && j - dq.front().second > k) dq.pop_front();
dp[idx] = dq.front().first + 1LL * j * v;
}
}
}
cout << *max_element(dp.begin(), dp.end()) << "\n";
return 0;
}
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