Analyze the tweet "I would like to congratulate the people of Saudi Arabia a happy and a joyous national day. May you all have a great time! #اليوم_الوطني" and indicate which emotions from the list (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) are expressed. If no emotions are found, answer with "neutral or no emotion".
joy, optimism