Task: Program Execution
Input (English): 16, 20, ['9715', 'O', '3397', '585', 'e', 'L', '7591', '6603', 'x', 'G', '9791', '1127', '5809', 'e', '8129', 'n', 't', '7977', 'X', 'b', 'z', '2307', '4547', 'U', 'H', '1511', '3807']
Output (English): bX7797tn