class Program {
static
void Main(
string[] args) {
int switchExpression = 3;
switch (switchExpression) {
case 0:
case 1:
Console.WriteLine(
"Case 0 or 1");
break;
case 2:
Console.WriteLine(
"Case 2");
break;
Console.WriteLine(
"Unreachable code");
case 7 - 4:
Console.WriteLine(
"Case 3");
break;
default:
Console.WriteLine(
"Default case (optional)");
break;
}
}
}