Task: Program Execution
Input (English): 4, 15, ['y', '3417', '1655', '2563', 'G', '1427', '4433', '1913', '9417', 'p', 'q', 'T', 'Y', 'S', 'K', 'H']
Output (English): 2563G1427443319139417pqTYSK