Task: Program Execution
Input (English): 7, 15, ['k', '7859', '7463', 'f', 'd', 'L', 'O', 'K', '4629', 'n', 'T', '3785', 'I', 'o', 'Q', '8331', 'U', 'W', '2311', 'u', '5821', '9193']
Output (English): 8414