Task: Program Execution
Input (English): 4, ['7817', '9311', '6285', 'm', '5443', '2743', '1685', 'y', 'F', 'Q', 'U', 'M', 'h', 'G', '4049', '1949', 'N', 'W', '347', '793']
Output (English): 7817, 9311, 6285, m