Task: Program Execution
Input (English): 4, 13, ['3791', 'N', '8353', 'N', 'y', 's', 'a', '9477', 'h', '3693', 'J', 'W', '9857', 'N', 'F', 'f', 'm', 'X']
Output (English): Nysa9477h3693JW9857