#include <iostream>

using namespace std;

int a, b, c;

double f(int x) {
    if (c < 0 && a != 0)
        return -a * x * x;

    if (c > 0 && a == 0)
        return (a - x) * 1.0 / (x * c);

    return x * 1.0 / c;
}

int main() {
    int x_start, x_finish, step;

    cin >> x_start >> x_finish >> step;

    cin >> a >> b >> c;

    for (int i = x_start; i <= x_finish; i += step) {
        cout << f(i) << "\n";
    }

}