#include <iostream>
using namespace std;

void area(int a)
{
    cout << "Square: " << a * a << endl;
}

void area(int a, int b)
{
    cout << "Rectangle: " << a * b << endl;
}

void area(float r)
{
    cout << "Circle: " << 3.14 * r * r << endl;
}

int main()
{
    area(4);
    area(3, 5);
    area(2.0f);
    return 0;
}