Task: Program Execution
Input (English): 4, 5, ['Q', '3449', 'L', 'Q', 'C', '2175', '5671', 'd', 'k', '8141', 'z', '4977', '5421', 'g', '9269', '4225', '173', '9173', '229', '5227', '2427']
Output (English): Q, k, g, 229