Task: Program Execution
Input (English): 2, 23, ['t', 'B', 'W', '7879', '2253', '6153', '7585', 'C', '2743', '9777', 'F', 'h', '7761', '8535', '7093', 'g', 'J', '613', '3575', 'W', 'B', '2473', 'a', '211', '4885', '2439']
Output (English): BW7879225361537585C27439777Fh776185357093gJ6133575WB2473a