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

public class OddOrEvenPostition {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        DecimalFormat df = new DecimalFormat("#.#######");
        int n = Integer.parseInt(console.nextLine());
        double oddSum = 0.0;
        double oddMin = Double.MAX_VALUE;
        double oddMax = Double.MIN_VALUE;
        double evenSum = 0.0;
        double evenMin = Double.MAX_VALUE;
        double evenMax = Double.MIN_VALUE;

        for (int i = 0; i < n; i++) {
            double currentNumber = Double.parseDouble(console.nextLine());
            if (i % 2 == 0) {
                evenSum += currentNumber;
                if (currentNumber >= evenMax) {
                    evenMax = currentNumber;
                }
                if (currentNumber <= evenMin) {
                    evenMin = currentNumber;
                }
            } else {
                oddSum += currentNumber;
                if (currentNumber >= oddMax) {
                    oddMax = currentNumber;
                }
                if (currentNumber <= oddMin) {
                    oddMin = currentNumber;
                }
            }
        }

        System.out.println("OddSum = " + df.format(oddSum));

        if (oddMin != Double.MAX_VALUE) {
            System.out.println("OddMin = " + df.format(oddMin));
        } else {
            System.out.println("OddMin no");
        }

        if (oddMax != Double.MIN_VALUE) {
            System.out.println("OddMax = " + df.format(oddMax));
        } else {
            System.out.println("OddMax no");
        }



        System.out.println("EvenSum = " + df.format(evenSum));

        if (evenMin != Double.MAX_VALUE) {
            System.out.println("EvenMin = " + df.format(evenMin));
        } else {
            System.out.println("EvenMin no");
        }

        if (evenMax != Double.MIN_VALUE) {
            System.out.println("EvenMax = " + df.format(evenMax));
        } else {
            System.out.println("EvenMax no");
        }
    }
}