import java.text.DecimalFormat;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        DecimalFormat df1 = new DecimalFormat("#.##");

        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        double [] numbers = new double[n];

        float sum = 0f;
        for(int i=0; i<numbers.length; i++){

            numbers[i] = input.nextDouble();

        } input.close();
        int size = numbers.length;
        double min = numbers[0];
        double max = numbers[0];
        for (int i = 0; i < size; i++){
            sum +=numbers[i];

            if (numbers[i] < min){
                min = numbers[i];
            }

            if (numbers[i] > max){
                max = numbers[i];
            }
        }
        double avg = sum/size;

        System.out.printf("min=" + "%,.2f%n", min);
        System.out.printf("max=" + "%,.2f%n", max);
        System.out.printf("sum=" + "%,.2f%n", sum);
        System.out.printf("avg=" + "%,.2f%n", avg);

    }
}