int craftNo(int amount, int itemID, int spellID)
{
    int needNo = amount - (int)InbagCount((uint)itemID) + (int)OnAhCount((uint)itemID);
    if(needNo < 0)
    {
        return 0;
    }
    int canCraft = (int)CanRepeatNum((uint)spellID);
    if(canCraft < needNo)
    {
        return canCraft;
    }
    else
    {
        return needNo;
    }
}