#include <iostream>
using namespace std;

int main()
{
 int vibor;

 cout <<"Vvedite vash vibor\n";
 cin >>vibor;

 if(vibor==1)
 {
  int visota, osnovanie, ploshad;
  cout <<"Visota treugolnika\n";
  cin >>visota;
  
  cout <<"Osnovanie treugolnika\n";
  cin >>osnovanie;
  
  ploshad = (visota * osnovanie) / 2;
  
  cout <<"Ploshad:" <<ploshad  <<"\n" <<endl;
  
  system("PAUSE");

  return 0;
 } 

 if(vibor == 2)
 {
  int funt;
  float kilo;
  
  cout <<"Kolichestvo funtov?\n";
  cin >>funt;
  
  kilo = funt * 0.4095124;
  cout <<"V kilogramah:" <<kilo <<"kg\n" <<endl ;
  
  system("PAUSE");
  return 0;
 }
	
  cout <<endl;
  return 0;

}