/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
	}
}

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print("請選擇您的組別")
print("1. A 組")
print("2. B 組")
print("3. C 組")

choice = input("請輸入選項（1 / 2 / 3）：")

if choice == "1":
    print("您選擇的是 A 組")
elif choice == "2":
    print("您選擇的是 B 組")
elif choice == "3":
    print("您選擇的是 C 組")
else:
    print("輸入錯誤")

print("系統狀態：目前有 0 筆掛單等待中")