Task: Program Execution
Input (English): 23, 25, ['x', '81', 'R', 'J', 'M', 'Q', 'O', 'C', '151', '9413', 'i', '9911', 'o', 'Y', '4317', '7647', '4951', 'f', '2301', '4455', '8923', 'x', 'H', 'x', 'x', 'a', '1749']
Output (English): xxH