There are two vessels A and B. Vessel A is containing 40 L of pure milk and vessel B is containing 22 L of pure water . From vessel A, 8 L of milk is taken out and poured into vessel B. Then, 6L of mixture (milk and water) is taken out from vessel B and poured into vessel A. What is the ratio of the quantity of pure milk in vessel A to the quantity of pure water in vessel B?