#include<iostream>
#include<stdio.h>

using namespace std;

#define pi 3.14
float kugla(float);
float kocka(float);

float kugla(float r){
	float V, O;
	V = 4 / 3 * r*r*r*pi;
	O = 4 * r*r*pi;
	cout << "Volumen kugle je: " << V << endl;
	cout << "Oplosje kugle je: " << O << endl;
}

float kocka(float a){
	float V, O;
	V = a*a*a;
	O = 6 * (a*a);
	cout << "Volumen kocke je: " << V << endl;
	cout << "Oplosje kocke je: " << O << endl;
}

int main(){
	float r, a;
	cout << "Unesi polumjer kugle" << endl;
	cin >> r;
	cout << "Unesi velicinu stranice" << endl;
	cin >> a;
	kugla(r);
	cout << "/n";
	kocka(a);
	return 0;

}