Task: Program Execution
Input (English): 2, 15, ['a', 'b', 'v', '6895', 'C', '5927', 'u', '2775', '1009', 'D', '4029', 'l', 'r', '4337', '4411', 'n', 'J']
Output (English): 44114337rl4029D10092775u5927C6895vb