<php
class Trida
{
public $soucet;
public $a;
public $b;

public function __construct()
{
   $this->a=2;
   $this->b=1;
}

public function Soucet()
{
   $this->soucet = $this->a + $this->b;
}

public function Vypis()
{
   $vypis = $this-> soucet;
   echo "$vypis"
}
}
?>