Task: Program Execution
Input (English): 1, 3, ['9903', '2101', 'C', '3237', 'H', 'd', '7097', 'Y', '2321', 'H', 'e', '1215', '9127', '7481', '831', 'Q', 'e', '6343', 'D', 'g', 'D', 'Y', 'U', 'J', 'q', '9729', 'K']
Output (English): C, 2101, 9903