Task: Program Execution
Input (English): 11, 18, ['9197', '7775', 'C', '6829', 'I', 'H', '4679', 'U', 'O', 'Y', '2097', '2523', '5119', '4977', 'J', 'L', '5141', '8061', '3677', '7907', 'G', '2751', 'u', '9985', 'n']
Output (English): 2097, 2523, 5119, 4977, J, L, 5141, 8061