FJisabouttotakehisN(1≤N≤2,000)cowstotheannual"FarmeroftheYear"competition.Inthiscontesteveryfarmerarrangeshiscowsinalineandherdsthempastthejudges. Thecontestorganizersadoptedanewregistrationschemethisyear:simplyregistertheinitialletterofeverycow