include

include

using namespace std;

const int MAX = 405; int dp[MAX][MAX] = {0};

int main() {

int H, T;
cin >> H >> T;
int n;
cin >> n;

for (int i = 0; i < n; ++i)
{
    int hi, ti, ki;
    cin >> hi >> ti >> ki;
    for (int v = H; v >= hi; --v)
    {
        for (int w = T; w >= ti; --w)
        {
            dp[v][w] = max(dp[v][w], dp[v - hi][w - ti] + ki);
        }
    }
}
cout << dp[H][T] << endl;
return 0;

}