Task: Program Execution
Input (English): 7, ['6273', '6087', '6545', '1541', 'p', 'n', 'Q', 'P', 'h', 'R', 'U', 'I', '7993', 'R', '4571', '673', '1801', 'i', '9893']
Output (English): 6273, P, 4571