import java.util.Scanner;
public class CircleAC {
    /*This is our first program in CS 180 LE2. January 7, 2019
       This program inputs radius of a circle, computes and prints
       its area and circumference.
    */
    public static void main(String[] args) {
        System.out.println("Hi Everyone!");
        Scanner s = new Scanner(System.in);
        System.out.print("Radius please: ");
        double radius = s.nextFloat();
        double area = Math.PI * Math.pow(radius, 2);
        double circumference=2*Math.PI*radius;
        // System.out.printf("Count %d Time  %d ms Radius %.2f  Area  %.2f\n",
        //        count, elapsedTime, radius, area);
        System.out.printf("Radius %.2f  Area  %.2f  Circumference %.2f\n",
                radius, area, circumference);


    }
}