import java.util.Scanner; public class Main{ public static void main(String[] args){ Scanner scanner = new Scanner(System.in); int length = scanner.nextInt(); int[] words = new int[length]; for(int index = 0; index < length; index++){ words[index] = scanner.nextInt(); } float price = 0.0f; for(int wordCount : words){ price += wordCount > 60 ? 0.2 : 0.1; } System.out.printf("%.1f", price); } }