Task

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int sumEven=1;
        int sumOdd=1;
        boolean isEqual=false;


        for (int i = 0; i < n; i++) {
            int a=sc.nextInt();
            if(i%2==0){
                sumEven*=a;
            }else{
                sumOdd*=a;
            }
        }
        if(sumEven==sumOdd){
            isEqual=true;
        }
        if(isEqual) {
            System.out.println( "yes " + sumOdd );
        }else{
            System.out.println( "no " + sumEven + " " + sumOdd);
        }

    }
}