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;
}
}
}