Task: Program Execution
Input (English): 8, 9, ['497', '6925', '159', '351', '4477', 'A', '8283', 'n', '4487', '7613', '8877', '4901', '8857', '7637', '905', '9125', '8727', 'b', '2569', '5163', '3443', '1293', '2271']
Output (English): 4487, n