Task: Program Execution
Input (English): 12, 14, ['1769', 'f', 'I', '1205', '953', '3663', 's', '5053', '6935', 'S', '6915', 'T', '7459', 'a', '1799', '9047', '4841', '6715', '641', 'Q', '4493', '6709']
Output (English): a7459T