BY DAY: Mega-star Ninja Warrior at "Own Life Dynamics". BY NIGHT: Coder, Statistician and a Prof. Q: How many mathematicians does it take to change a light bulb? A: One: he gives it to three physicists, thus reducing it to a problem that has already been solved. FOR FUN: Life must be reduced to a constant form, called G.O.O.D. M.O.O.D.