Task: Program Execution
Input (English): 19, ['Q', 's', '5221', 'Y', 'o', '1151', '1149', '369', 'W', '533', '5567', '9541', 'k', 'd', '741', '1367', 'X', 'd', 'I', 'J', 'Z', 'i', 'U', '6747', '3753', '4511', '5087', 'B', '7343', 'U', 'c', '4281', '4655', '3931', '867', '7789', '617', '9433', 'o', '5023', '7197', '7217']
Output (English): Q, J, o