each student eagerly await day pass exam successfully thus Vasya ready celebrate ala do not pass however Vasyas fellow student group successful celebrate examSome celebrate BugDonalds restaurant BeaverKing restaurant successful one fast celebrate restaurant student do not pass exam do not celebrate restaurant elect stay home prepare reexamination however quickly bore Vasya start check celebration photo Kilogramm he find total BugDonalds visit a student BeaverKing b student c student visit restaurant Vasya know N student groupbase info Vasya want determine data contradict do not student group do not pass exam can help will not waste valuable preparation time