public void RunProgram() { while () { int num = UI.Menu(); switch (num) { case 1: MakeNewSweepstakes(); break; case 2: RegisterNewContestant(); break; case 3: UI.PickWinner(); PickWinner(); break; case 4: UI.PreviousSweepstakes(); break; default: Console.WriteLine("Please enter a valid response.(1,2,3,4)"); UI.Menu(); break; } } }