#include <iostream>
using namespace std;

int main()
{
	int radius;
	double PI = 3.14;
	double perimeter;
	double area;
	
	cout << "enter the radius " ;
	cin >> radius;
	perimeter = 2*radius*PI;
	area = PI*radius*radius;
	cout << "The perimeter is " << perimeter << endl;
	cout << "The area is " << area << endl;
	
	system("pause");
	return 0;
}