using System;
using System.Threading;
namespace Program
{
public class Program
public static void Main(string[] args)
}
static int SwitchAsIfElse(int x)
switch (x)
case 1:
return 1;
case 2:
return 2;
default:
return -1;
static int SwitchAsSwitch(int x)
case 3:
return 3;
case 4:
return 4;
case 5:
return 5;
case 6:
return 6;
static void SwitchAsIfElse(string x)
case "1":
break;
case "2":
case "3":
case "4":
case "5":
case "6":
static void SwitchWithHashes(string x)
case "7":
