#include <bits/stdc++.h>

using namespace std;

// Complete the solve function below.
void solve(double meal_cost, int tip_percent, int tax_percent) {
    double tip = tip_percent * 0.01 * meal_cost;
    // cout << tip << endl;
    double tax = tax_percent * 0.01 * meal_cost;
    // cout << tax << endl;
    cout << round(tip + tax + meal_cost) << endl;


}

int main()
{
    double meal_cost;
    cin >> meal_cost;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    int tip_percent;
    cin >> tip_percent;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    int tax_percent;
    cin >> tax_percent;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    solve(meal_cost, tip_percent, tax_percent);

    return 0;
}
