Task: Program Execution
Input (English): 8, 10, ['6463', 'I', '853', 'Q', 'I', '2015', '337', 'a', 'o', '2355', '7743', 't', 'y', '1903', '2731', 'u', '6949', '2925', 'u']
Output (English): a, o, 2355