新疆大学ACM-ICPC程序设计竞赛五月月赛（同步赛） G chess（威佐夫博奕）

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? A single chess queen is placed somewhere