include<stdio.h>

int main() {

const double pi = 3.1415926;
double a;
scanf("%lf", &a);
if (a >= 1 && a <= 10)
	printf("%lf\n%lf", (4.0 / 3.0) * pi * a * a * a, 4 * pi * a * a);
return 0;

}