Task: Program Execution
Input (English): 15, 17, ['S', 'H', 'y', 'H', 'w', '9181', '7497', 'g', '7145', '9547', '1681', '5137', 'd', '5617', 'o', '1307', 'G', 'e', 'w', '5773', 'l', 'S', 'X', 'u', '8787', '4903']
Output (English): o1307G