Task: Program Execution
Input (English): 18, 19, ['2873', 'O', 'C', 'i', 'v', '9037', 'J', 'V', 'x', 'Y', '4835', 'w', 'C', 'M', 'R', 'v', 'c', '3317', 'M', '4885', '91']
Output (English): 3317