package main

import (
	"fmt"
)

func main() {
	var n int
	fmt.Scan(&n)
	nums := ScanNums(n)
	count := 0
	for i := 0; i < n; i++ {
		if nums[i]%2 != 0 {
			count++
		}
	}
	fmt.Println(count)
	if count%2 == 0 {
		fmt.Println("Yes")
	} else {
		fmt.Println("No")
	}
}

func ScanNums(len int) (nums []int) {
	var num int
	for i := 0; i < len; i++ {
		fmt.Scan(&num)
		nums = append(nums, num)
	}
	return
}
