#include <iostream>
using namespace std;

class Rectangle {
  public:
    int width;
    int height;

    int area() {           // method defined inside
      return width * height;
    }
};

int main() {
  Rectangle r;
  r.width = 5;
  r.height = 3;
  cout << "Area: " << r.area();   // call the method
  return 0;
}