#include <iostream>
using namespace std;
 
 
double siperfaqja(double baza, double lartesia);
 
 int main() 
{
    double b, h, S;
 
    cout << "Jep bazen e trekendeshit: ";
    cin >> b;
 
    cout << "Jep lartesine e trekendeshit: ";
    cin >> h;
 
    S = siperfaqja(b, h) ;
 
    cout << "Siperfaqja e trekendeshit eshte: "<< S << endl;
 
	return 0;
}
 
 
double siperfaqja(double baza, double lartesia)
{
	 return (baza * lartesia) / 2;
}
 

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