Task: Program Execution
Input (English): 8, 12, ['c', '5091', 'd', '1441', 'z', '7243', '9721', '7121', '519', 'X', 'N', '5489', 'M', '2585', 'G', '6309', 'c', 'W', 'B', 'U', 'B', '6289', '1589', '5077', '3289', 'J', '6793']
Output (English): 5489NX5197121