import java.util.*;

public class CircleKu
{
    public static void main (String [] args)
    {
        Scanner scan= new Scanner(System.in);
        double jari,area,kel;
        double phi=3.14;
        String warna;
        System.out.println("Menghitung luas dan keliling lingkaran\n");
        System.out.println("Masukkan jari-jari lingkaran: ");
        jari=scan.nextDouble();

        Scanner txtscan=new Scanner(System.in);
        System.out.println("Masukkan warna lingkaran: ");
        warna=txtscan.nextLine();

        area=phi*jari*jari;
        kel=2*phi*jari;

        System.out.println("Luas lingkaran "+area);
        System.out.println("Keliling lingkaran "+kel);
        System.out.println("Warna lingkaran "+warna);

    }
}