A single chess queen is placed somewhere on a  grid of 10000*10000 squares.Lao Wang and Xiao Ren ready to play a game The rules are player can move the queen towards the lower left corner of the grid: south, west, or southwest, any number of steps. The winner is the player who moves the queen into the southwest corner.If you let the old Xiao Ren first chess .Suppose they will use the best strategy who will win the game?

The input will consist of a series of pairs of integers a and b, Indicates the distance from the west boundary and the distance from the south boundary.

For each pair of input integers a and b you should output the winner's name in one line;

1 2
3 5
1 1
3 2

Lao Wang
Lao Wang
Xiao Ren
Xiao Ren