import java.awt.*;
import java.util.Random;

class EntityAircraft
{
    public int Speed;
    public float Weight;
    public Color BodyColor;

    public float Step;

    public EntityAircraft(int speed, float weight, Color bodyColor)
    {
        Random rnd = new Random();

        Speed = speed <= 0 ? rnd.nextInt(50, 150) : speed;
        Weight = weight <= 0 ? rnd.nextInt(50, 70) : weight;
        BodyColor = bodyColor;

        Step = Speed * 100 / Weight;
    }
}