Task: Program Execution
Input (English): 3, 10, ['4949', '871', '647', 'f', 'b', 'B', 'X', 'M', 'U', 'N', '9855', '6873', '6905', '4213', 'E', 'v', 'J', 'f', '1991']
Output (English): NUMXBbf746