Task: Program Execution
Input (English): 12, 13, ['2317', '3267', 'n', 'z', '9085', '3173', 'X', 'O', 'j', 'N', '2429', 'I', '623', '7125', '8863', 'm', '6917', 'b', 'C', '39', '3813', 'L', 'y']
Output (English): 623I