the Zoo Grid Kingdom represent infinite grid the Zoo n observation binocular locate ox axis for 1 n inclusive exist single binocular locate point coordinate i0 there m flamingos Zoo locate point positive coordinate the flamingo currently sleep assume do not movein order good view flamingos binocular independently rotate face angle necessarily integ then binocular observe flamingos locate straight line pass binocular angle set in word assign binocular direction correspond straight line pass binocular binocular able flamingo locate linetoday kid prestigious Codeforces kindergarten go Field Study Zoo their teacher like set binocular angle maximize number flamingo see binocular the teacher interested sum value binocular please help find sum