import java.util.Scanner;
class Problem7 {
	static float findVolume (float r1) {
			return (float) (1.0/3.0*3.14*r1*r1);
	}
	static int findVolume (int r2 , int h) {
			return (int)  (3.14*r2*r2*h);
	}
	static int findVolume(int r1 , int r2 , int r3) {
			return (int) ( 4/3*3.14*r1*r2*r3);
	}
	public static void main(String []args) {
		System.out.println("Please enter the radius of cone:");
		Scanner scanner = new Scanner (System.in);
		int r1 = scanner.nextInt();
		
		
		System.out.println("Please enter the radius of the cylinder");
		int r2 = scanner.nextInt ();
		System.out.println("Please enter the height of the cylinder");
		int h = scanner.nextInt();
		
		System.out.println("Please enter the radius of the sphere");
		int r3 = scanner.nextInt();
		System.out.println("Volume of cone: " + findVolume((float)r1));
		System.out.println("Volume of Cylinder: " + findVolume( r2, h));
		System.out.println("Volume of sphere : " + findVolume( r1,  r2 ,  r3));
		
	}
}