Task: Program Execution
Input (English): 2, 18, ['2779', '7113', 'b', 'a', '443', '5941', 'B', '231', '6457', '3559', 'D', '5427', '5507', 'L', 'O', 'R', 'b', 'H', 'c', 'Y', '9921', '1163', 'Q']
Output (English): HbROL55075427D35596457231B5941443ab7113