Task: Program Execution
Input (English): 5, ['9433', '4755', '3141', 'H', 't', '8395', '4125', 'e', 'P', '8433', '6199', '2465', '7199', 'r', '7611', 'N', '2603', 'f', 'b', '7317']
Output (English): 9433, 8395, 6199, N