Task: Program Execution
Input (English): 9, 18, ['K', 'h', '5031', '6439', '2939', 'Z', 'X', 'v', 'y', 'T', 'm', '1909', '4663', 'f', 'j', '1315', 'M', 'v', 'Q', '6147', 'G', '8607', 'U', 'o', '8921']
Output (English): 7887