Task: Program Execution
Input (English): 12, 12, ['9571', 'Y', '6129', 'D', '6387', 'G', 'v', '5415', 'a', 'y', 'Q', '5543', 'f', '2381', 'j', 'w', 'w', 'R', 'A', 'S', '2507', '8309']
Output (English): 5543