Task: Program Execution
Input (English): 10, ['2811', '9717', 'U', '259', '457', 'B', 'C', 'X', 'L', '6793', 'Q', '331', 'l', '2945', '5963', '4241', '3923', '9219', '2825', '5443', 'H', 'N', 'p']
Output (English): 2811, Q, H