Task: Program Execution
Input (English): 6, 10, ['3799', '8635', '8411', 'Q', '4813', 'v', '9781', 'b', 'B', 'R', '5555', '2269', '7573', 'j', 'G', '6001', 'l', '209', '763', 'b', 'j', 'f', '9975', '2581']
Output (English): RBb9781v