Task: Program Execution
Input (English): 1, 8, ['9447', '2215', '3173', 'X', '4817', '3749', 'C', '8421', 'H', '6949', 'R', 'U', 'O', '6955', 'Q', 'G', 'J', 'S', '6583', 'Y', '1665', '7047', '8015', 'm', '5791', '3503', '2213', '385', '7181']
Output (English): 9447, H, J, 5791