Task: Program Execution
Input (English): 4, 6, ['4453', 'Q', '9935', '5643', 'U', 'o', 'N', 'y', '4661', 'F', 'T', 'F', '8813', 'B', '4415', 'f', '5395', '4815', '9751', '1399', '5529', '4513', '8187']
Output (English): 5643, F, f, 4513