import java.util.Scanner;

public class s11_OddEvenPosition {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);

        Double OddSum = 0.0;
        Double OddMin = 1000000000.0;
        Double OddMax = -1000000000.0;
        Double EvenSum = 0.0;
        Double EvenMin = 1000000000.0;
        Double EvenMax = -1000000000.0;

        int n = Integer.parseInt(console.nextLine());

        for (int i = 0; i < n; i++)
        {
            Double num = Double.parseDouble (console.nextLine ());
            if (i % 2 == 0)
            {
                OddSum += num;
                if (num > OddMax)
                    OddMax = num;
                if (num < OddMin)
                    OddMin = num;
            }
            else
            {
                EvenSum += num;
                if (num > EvenMax)
                    EvenMax = num;
                if (num < EvenMin)
                    EvenMin = num;
            }
        }

        System.out.println ("OddSum= " + OddSum);

        if (OddMin == 1000000000.0 )
        {
            System.out.println ("OddMin = No");

        }
        else
            System.out.println ("OddMin = " + OddMin);

        if (OddMax == -1000000000.0 )
        {
            System.out.println ("OddMax = No");

        }
        else
            System.out.println ("OddMax = " + OddMax);
        //

        System.out.println ("EvenSum= " + EvenSum);

        if (EvenMin == 1000000000.0 )
        {
            System.out.println ("EvenMin = No");

        }
        else
            System.out.println ("EvenMin = " + EvenMin);

        if (EvenMax == -1000000000.0 )
        {
            System.out.println ("EvenMax = No");

        }
        else
            System.out.println ("EvenMax = " + EvenMax);


    }
}