import java.util.Arrays;
import java.util.Scanner;

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

        double[] numbers = new double[count];
        double min;
        double max;
        double sum = 0;
        int iterator = 0;

        while (iterator < count) {
            numbers[iterator] = scanner.nextInt();
            sum += numbers[iterator];
            iterator++;
        }

        Arrays.sort(numbers);

        max = numbers[numbers.length - 1];
        min = numbers[0];

        System.out.printf("min=%.2f%nmax=%.2f%nsum=%.2f%navg=%.2f", min, max, sum, sum / count);

    }
}