#include <array>
#include <cmath>

class Potion
{
public:
   std::array<unsigned char, 3> color;
   unsigned int volume;

   Potion(const std::array<unsigned char, 3> &color, const unsigned int &volume): color(color), volume(volume)
   {}

   Potion mix(const Potion& other)
   {
      unsigned int newVolume = volume + other.volume;

      std::array<unsigned char, 3> newColor;
      for(int i = 0; i < 3; i++)
      {
         auto component = (float)(color.at(i) * volume + other.color.at(i) * other.volume) / newVolume;
         newColor.at(i) = ceil(component);
      }

      return Potion(newColor, newVolume);
   }
};