/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		double s = 0, p = 1, a = 0;
		for( int i = 0; i < n ; i++ ){
			a = in.nextInt();
			s += a;
			p *= a;
		}
		System.out.println(s);
		System.out.print(p);
	}
}

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NAoxCjMKNQo3Cg==

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1
3
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