Task: Program Execution
Input (English): 9, ['4177', 'l', '2235', '8051', '4437', '4237', 'Z', 'y', '7555', '2029', '3159', 'L', '9311', 'Q', '8401', 'R', 'd', 'M', 'm', '6621', 'E', '9069', '6509', 'L', '1489', '1649']
Output (English): 4177, 2029, m