Task: Program Execution
Input (English): 9, 13, ['x', '4589', 'q', 'X', 'Q', 'e', '8007', '5779', 'Z', '8503', 's', '6425', '133', '5389', 'e', '9477', '3763', 'Q', 'B', 'r', 'P']
Output (English): 15061