import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner userInput = new Scanner(System.in);
        short n = userInput.nextShort();
        double min=Integer.MAX_VALUE;
        double max=Integer.MIN_VALUE;
        double sum=0;
        double avg=0;
        for (int i = 0; i <n ; i++) {
            double b=userInput.nextDouble();
            if(b>max){
                max=b;
            }if (b<min){
                min=b;
            }sum+=b;
        }
        avg=sum/n;
        BigDecimal rounded = BigDecimal.valueOf(avg);
        rounded = rounded.setScale(2, RoundingMode.HALF_UP);
        System.out.println("min=" + min);
        System.out.println("max=" + max);
        System.out.println("sum="+sum);
        System.out.println("avg="+avg);

    }
}