import java.util.Scanner;

public class Tri{
     public static void main(String []args){
        Scanner sc = new Scanner(System.in);
        int vsota = 0;
        System.out.print("Vpisi koliko stevil: ");
        int koliko = sc.nextInt();
        int stevila[] = new int[koliko];
        for(int i = 0; i < stevila.length; i++){
            stevila[i] = sc.nextInt();
        }    
        for(int i = 0; i < stevila.length; i++){
            if(stevila[i] % 2 == 0){
                System.out.println(stevila[i]);
            }
        }    
        int counter = 0;
        for(int i = 0; i < stevila.length; i++){
            if(stevila[i] < 0){
                counter++;
            }
        }
        System.out.println(counter);
        int produkt = 1;
        for(int i = 0; i < stevila.length; i++){
            if(i % 2 == 1){
                produkt *= stevila[i];
            }
        }
        System.out.println(produkt);
    }
}