Task: Program Execution
Input (English): 5, ['H', 'x', 'V', '7671', '8233', '5631', 'S', '4781', '1219', '6457', '8941', 'f', 'd', '1877', 'j', 'J', '2159', 'Q', 'c', 'C', 'm', 'W', '8447', 'O', 'p', 'i', '2451']
Output (English): H, x, V, 7671, 8233