import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);
        int N = in.nextInt();
        int V = in.nextInt();
        int[] v = new int[N+1];
        int[] w = new int[N+1];
        int[] s = new int[N+1];
        for(int i = 1; i <= N; i++){
            v[i] = in.nextInt();
            w[i] = in.nextInt();
            s[i] = in.nextInt();
        }
        System.out.println(dp(N, V, v, w, s));
    }

    public static int dp(int N, int V, int[] v, int[] w, int[] s){
        int[] dp = new int[V+1];
        dp[0] = 0;
        for(int i = 1; i <= N; i++){
            for(int j = V; j >= 1; j--){
                for(int k = 1; k <= s[i] && k <= j/v[i]; k++)
                    dp[j] = Math.max(dp[j], dp[j - k*v[i]] + k*w[i]);
            }
        }
        return dp[V];
    }
}