using System;

namespace OddEvenPosition
{
	class MainClass
	{
		public static void Main (string[] args)
		{
			//start:
			var OddSum = 0.0;
			var OddMin = 1000000000.0;
			var OddMax = -1000000000.0;
			var EvenSum = 0.0;
			var EvenMin = 1000000000.0;
			var EvenMax = -1000000000.0;

			var n = int.Parse(Console.ReadLine());

			for (var i = 0; i < n; i++)
			{
				var num = Double.Parse (Console.ReadLine ());
				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;
				}
			}

				Console.WriteLine ("OddSum= " + OddSum);

			if (OddMin == 1000000000.0 )
			{
				Console.WriteLine ("OddMin = No");

			}
			else
				Console.WriteLine ("OddMin = " + OddMin);

			if (OddMax == -1000000000.0 )
			{
				Console.WriteLine ("OddMax = No");

			}
			else
				Console.WriteLine ("OddMax = " + OddMax);
			//

				Console.WriteLine ("EvenSum= " + EvenSum);

			if (EvenMin == 1000000000.0 )
				{
					Console.WriteLine ("EvenMin = No");

				}
				else
					Console.WriteLine ("EvenMin = " + EvenMin);

				if (EvenMax == -1000000000.0 )
				{
					Console.WriteLine ("EvenMax = No");

				}
				else
					Console.WriteLine ("EvenMax = " + EvenMax);



			//goto start;
		}
	}
}