public class Lottery
{
 public static void main(String args[])
 {
 Scanner input= new Scanner(System.in);
 System.out.print("Enter your serial numbers: ");
 String s1=input.nextLine();
 for(int i=0;i<5;i++)
 {
  if(s1.charAt(i)=="A"||s1.charAt(i)=="B"||s1.charAt(i)=="C"||)
  {
   if(s1.charAt(5)=="-")
   {
    for(int j=6;j<10;j++)
    {
     if(s1.charAt(i)=="1"||s1.charAt(i)=="2"||s1.charAt(i)=="3"||)
     {
      if(s1.charAt(10)=="-")
      {
       for(int l=11;l<15;l++)
       {
        if(s1.charAt(i)=="A"||s1.charAt(i)=="B"||s1.charAt(i)=="C"||)
        {
         System.out.println("Your serial number is valid");
         break;
        }
        else
        {
         System.out.println("Your serial number is invalid");
         break;
        }
       }
      }
      else
      {
       System.out.println("Your serial number is invalid");
         break;
      }
     }
     else
     {
      System.out.println("Your serial number is invalid");
         break;
     }
    }
   }
   else
   {
    System.out.println("Your serial number is invalid");
         break;
   }
  }
  else
  {
   System.out.println("Your serial number is invalid");
         break;
  }
 }
 }
  
}  
집에서는 cmd 로 컴파일 해봐도 안되서 ㅠㅠ 에러 뜨는지 안뜨는지 확인조차 할수업죠 ㅠㅠ