#include "stdafx.h"
#include <iostream>
#define _USE_MATH_DEFINES
#include <math.h>
#include <cstdlib>

void task8() {
	int x, y;
	std::cin >> x >> y;
	std::cout << pow(x, y);
}

void task9() {
	double num;
	std::cin >> num;
	double a, b;
	a = num * num;
	b = a * a;
	b = b * b;
	std::cout << a * b;
}

void task10() {
	int n;
	std::cin >> n;
	std::cout << 2 + rand() % (n - 3);
}

void task11() {
	int a, b;
	std::cin >> a >> b;
	std::cout << a + rand() % (b - a + 1) << std::endl << a + rand() % (b - a + 1) << std::endl << a + rand() % (b - a + 1);
}

void task12() {
	int a, b;
	std::cin >> a >> b;
	double f = (double)rand() / RAND_MAX;
	std::cout << a + f * (b - a);
}

void task14() {
	double r;
	std::cin >> r;
	std::cout << "S: " << M_PI * pow(r, 2) << "\nP: " << 2 * M_PI * r;
}