Task: Program Execution
Input (English): 12, 15, ['1763', '4067', 'Z', '8001', '7199', '5539', 'h', 'L', 'm', 's', '2543', 'R', '7977', 'c', 'w', 'U', '181', 'i', '6425', '3499', '9473', '133', '4205', 'r', '6473', 'z', 'm', '9325', 'd']
Output (English): 7977