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();

        int[] numbers = new int[count];

        float min = 0;
        float max = 0;
        float sum = 0;
        int iterator = 0;

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

        Arrays.sort(numbers);

        if (count > 0) {
            max = numbers[numbers.length-1];
            min = numbers[0];
            System.out.printf("min=%.2f%nmax=%.2f%nsum=%.2f%navg=%.2f", min, max, sum, sum / count);
        } else {
            System.out.printf("min=%.2f%nmax=%.2f%nsum=%.2f%navg=%.2f", 0f, 0f, 0f, 0f);
        }

    }
}