import java.util.*;

public class Oval {
    double width = 5;
    double length = 10;
    }
    public void setLength(double num) {
        this.length = num;
    }
    public double getLength() {
        return this.length;
    }
    public void setWidth(double num) {
        this.width = num;
    }
    public double getWidth() {
        return this.width;
    }
    public double area (double num) {
        return this.((length*width)*0.8) ;
    }
    public void main(String[] args) {
    }
}