Task: Program Execution
Input (English): 18, 25, ['M', '5749', 'O', '893', '4947', 'o', '6043', 'w', '8705', '6553', 'D', 'a', '3263', '5831', 'y', 'G', 'z', 'b', '3523', 'v', 'u', '6863', '9963', 'W', 'P', 'X']
Output (English): b3523vu68639963WP