Circle

#include <iostream>
using namespace std;

class Circle {
    float radius;
    const float pi=3.14;

    public:
    Circle()
    {
        radius=0;
    }
    Circle(float a)
    {
        radius=a;
    }

    float perimeter()
    {
        return (int)(200*pi*radius)/100.0;
    }
    float area()
    {
        return (int)(100*radius*radius*pi)/100.0;
    }
    bool equal()
    {
        return area()==perimeter();
    }
};

int main() {
    float r;
    cin >> r;
    Circle c(r);

    cout << c.perimeter() << endl;
    cout << c.area() << endl;
    cout << c.equal() <<endl;
    return 0;
}