Task: Program Execution
Input (English): 3, 20, ['m', '9539', 'y', 'E', 'E', 'C', 'y', 'M', 'G', 'N', '4167', '2753', 'e', '8259', 'c', '6333', 'k', 'c', '471', '6461', 'w', '8919', '3849', 'm', 't', '6973', 'K']
Output (English): 6461471ck6333c8259e27534167NGMyCEEy