Task: Program Execution
Input (English): 5, 20, ['4861', '8577', '495', 'n', '4957', 'G', 'b', '8545', 'n', 'G', 'b', 'T', '1597', 'f', '9645', 'Y', 'f', '803', 'B', '153']
Output (English): 153B803fY9645f1597TbGn8545bG4957