Task: Program Execution
Input (English): 5, 16, ['6603', '9173', 'r', '8643', 'Q', '5071', 'Q', '8715', 'm', 'g', '9969', 'O', 'x', 'Q', 'c', 'R', '2497', '7975', 'O', '3437', 'E', '7461', '8619', '6799', 'b', '925']
Output (English): RcQxO9699gm5178Q1705Q