using System;
using System.Linq;
 
class Project241{
	static void Main(){
		int[]Arr=new int[int.Parse(Console.ReadLine())];
		Arr=Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse).ToArray();
		Console.WriteLine("S = {0}", Arr.Where(x => (x>=0)).Sum());	
		Console.WriteLine("P = {0}", Arr.Where(x => 
		        (((Array.IndexOf(Arr,Arr.Min())>Array.IndexOf(Arr,x)) && 
		        (Array.IndexOf(Arr,Arr.Max())<Array.IndexOf(Arr,x))) ||
		        ((Array.IndexOf(Arr,Arr.Min())<Array.IndexOf(Arr,x)) && 
		        (Array.IndexOf(Arr,Arr.Max())>Array.IndexOf(Arr,x))))).
		        Aggregate((x,y) => x*y));
	}
}

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