36.White to move

In the position above Black has an advantage by two pawn.The question is

a)From your point of view is it enough for Black to use this advantage and lead to victory?

Thanks again to albin and Eugene for solving problem 35 by 1. Kd5 Kc8 2. Kc4 Kd8 3. Kd4 Kc8 4. Kd5 Kc7 5. Kc5 Kc8 6. Kb6 and there's nothing can stop white from winning.Always remember that in endgame calculation is the most crucial and important so be careful.