Task: Program Execution
Input (English): 4, 11, ['L', '2181', 'G', '8143', '6265', 'B', '9907', '7945', '795', '1415', '5379', 'u', '4557', '8623', '1453', '4651', 'j', '3947', 'C', 'B', '9199', 'e']
Output (English): 8143, 1453