#include<bits/stdc++.h>

using namespace std;

const int MAXX = 1e5 + 5;

int n, v, a[MAXX], b[MAXX], dp[MAXX], r1, r2, s[MAXX], cnt;

int main(){
    cin >> n >> v;
    for(int i = 1; i <= n; i++){
        cin >> r1 >> r2 >> s[i];
        int h = 1;
        while(h <= s[i]){
            a[++cnt] = r1 * h;
            b[cnt] = r2 * h;
            s[i] -= h;
            h *= 2;
        }
        if(s[i] != 0){
            a[++cnt] = r1 * s[i];
            b[cnt] = r2 * s[i];
        }

    }
    for(int i = 1; i <= cnt; i++){
        for(int j = v; j >= a[i]; j--){
            dp[j] = max(dp[j - a[i]] + b[i], dp[j]);
        }
    }
    cout << dp[v];

  return 0;
}