#include <iostream>
#include <cmath>
using namespace std;

class TriangleA {
private:
    double height;
    double side;
public:
   void setHeight(double h){
       height = h;
   }
   void setSide(double a){
       side = a;
   }
   double getHeight(){
        return height;
    }
   double getSide(){
        return side;
   }
   double calculateArea(){
      double P = height * side / 2;
      return P;
   }
};

class TriangleB {
private:
    double a;
    double b;
    double c;
public:
   void setSides(double s1,double s2,double s3){
       a = s1;
       b = s2;
       c = s3;
   }
   void setSideA(double s1){
       a = s1;
   }
   void setSideB(double s2){
       b = s2;
   }
   void setSideC(double s3){
       c = s3;
   }
   double getSideA(){
    return a;
   }
   double getSideB(){
    return b;
   }
   double getSideC(){
    return c;
   }
   double calculateArea(){
      double S = (a + b + c) / 2;
      double P = sqrt(S*(S-a)*(S-b)*(S-c));
      return P;
   }
};
int main(){
    TriangleA t1;
    cout << "Enter the side and height:" << endl;
    double a , h;
    cout << "Side: " << endl;
    cin >> a;
    t1.setSide(a);
    cout << "Height: " << endl;
    cin >> h;
    t1.setHeight(h);
    cout << "Triangle 1 has the following properties"  << endl ;
    cout << "Side : " << t1.getSide() << "     " << " Height: " << t1.getHeight() << " Area: " << t1.calculateArea() << endl;
    cout << endl;
    TriangleB t2;
    cout << "Enter the three sides:" << endl;
    cout << "Side a: ";
    double side_a;
    cin >> side_a;
    t2.setSideA(side_a);
    cout << "Side b: ";
    double side_b;
    cin >> side_b;
    t2.setSideB(side_b);
    cout << "Side c: ";
    double side_c;
    cin >> side_c;
    t2.setSideC(side_c);
    cout << endl;
    cout << "Triangle 1 has the following properties"  << endl ;
    cout << "Side a : " << t2.getSideA() << "     " << " Side b: " << t2.getSideB() << "     " << " Side c: " << t2.getSideC() << " Area: " << t2.calculateArea() << endl;
    cout << endl;
    return 0;
}