Task: Program Execution
Input (English): 13, 21, ['R', '5869', '5367', '7703', 'w', '5753', 'P', '7797', '1417', 'E', '981', 'p', 'n', '117', 'x', 'k', '9085', 'Y', '4483', 'O', '5267', '669', '6907', '2029', '7571', '1145']
Output (English): 7625O3844Y5809kx711n