// this program includes 508

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

void radius() {
	int n = 0;
	double  r = 0,r_2 = 0;

	scanf("%d", &n);

	r_2 = n / 3;

	printf("%f\n", r_2);

	r = pow(r_2, 0.5);

	printf("%d", (int)r);

}

int main(void) {

	radius();
}