Grandpa Stavri

import java.util.Scanner;

public class DqdoStavri {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        double result = 0;
        double degrees = 0;
        double total = 0;

        for (int i = 0; i < n; i++) {
            double liter = Double.parseDouble(scanner.nextLine());
            double gradus = Double.parseDouble(scanner.nextLine());
            degrees = (liter * gradus);
            result += liter;
            total += degrees;
        }
        total = total / result;
        System.out.printf("Liter: %.2f%n", result);
        System.out.printf("Degrees: %.2f%n", total);

        if (total < 38) {
            System.out.println("Not good, you should baking!");
        } else if (total > 38 && total < 42) {
            System.out.println("Super!");
        } else if (total > 42) {
            System.out.println("Dilution with distilled water!");
        }
    }
}