Task: Program Execution
Input (English): 1, 18, ['P', 'o', '4213', 'A', 'r', 'h', '7675', '8031', '3171', 'Q', 'Q', 'u', 'K', '5089', 'F', 'e', 'B', 'W']
Output (English): WBeF9805KuQQ171313085767hrA3124oP