package Numero17;
import java.util.Scanner;
public class Tarefa17 {

	public static void main(String[]args){
		
		@SuppressWarnings("resource")
		Scanner s = new Scanner(System.in);
		
		double n, r, r1, r2;
		
		System.out.println("Raio:");
		n = s.nextInt();
		
		r = 2 * Math.PI * n;
		System.out.println("Comprimento:"+r);
		
		r2 = Math.PI * Math.pow(n,2);
		System.out.println("Area:"+r2);
		
		r3 = 
		
		
		
		
		
		
		
		
		
	}
}
