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#include <bits/stdc++.h>
using namespace std;
const int N = 12010;
int n, m;
int v[N], w[N];
int f[N];
int idx;
//多重背包的二进制优化
int main() {
cin >> n >> m;
for (int i = 1; i <= n; i++) {
int vi, wi, si;
cin >> vi >> wi >> si;//二进制优化,能打包则打包之，1,2,4,8,16,...
int b = 1;
while (b <= si) {
v[++idx] = vi * b;
w[idx] = wi * b;
si -= b;
b *= 2;
}
//剩下的
if (si > 0) {
v[++idx] = vi * si;
w[idx] = wi * si;
for (int i = 1; i <= idx; i++)
for (int j = m; j >= v[i]; j--)
f[j] = max(f[j], f[j - v[i]] + w[i]);
printf("%d", f[m]);
return 0;
