Task: Program Execution
Input (English): 3, ['5465', '9917', 'H', '7043', 'e', '8067', 'P', '5169', '3033', 'Q', 'f', 'k', 'h', '1821', '2839', 'L', '6991', '1331']
Output (English): 5465, 9917, H