J, K, L, M, N and O live on six different floors of the same building. The lowermost floor in the building is numbered 1, the floor above it is numbered 2, and so on till the topmost floor is numbered 6. M lives on floor number 2. K and M are immediate neighbours. O lives on the floor immediately above K. N lives on the topmost floor. J lives on an odd numbered floor, exactly above O. On which floor does L live?