All the Convenience Stores in my university have cut off the supplies of cigarette which we can afford.

Recently,al the Convenience Stores in my university have cut off the supplies of cigarette below 45RMB which we can afford. The repalce our favourite brand like "NANJING" and"HUANG HE LOU"with something expensive.They deprive our right to smoke.So we request Dear Obama can give attention to this matter and rectify the inappropriate behavior.