Task: Program Execution
Input (English): 3, ['Y', '3923', 'd', 'X', '5877', 'a', 'C', 'U', 'j', 't', '6499', 'Y', 'v', '4863', '4695', 'w', 'u', '4977', '7391', '4747', '4311', 'O']
Output (English): Y, 3923, d