Task: Program Execution
Input (English): 3, 7, ['4687', 'M', 'a', '6723', '2323', 'A', 'b', 'g', 'H', 'J', 'T', '3225', 'j', 'm', 'v', 'm', '2529', '3671', 'W', 'e']
Output (English): a, J, 2529