package main

import (
	"bufio"
	"fmt"
	"io"
	"log"
	"os"

	"math"
	"strconv"
)

func Run(in io.Reader, out io.Writer) error {
	sc := bufio.NewScanner(in)
	sc.Scan()
	lineText := sc.Text()
	sum, err := strconv.ParseInt(lineText, 0, 64)

	if err != nil {
		return err
	}

	base := int64(math.Ceil(math.Sqrt(float64(sum * 2))))

	for i := base; ; i-- {
		x := (i*i + i) / 2

		if x == sum {
			fmt.Fprintf(out, "YES\n%d\n", int64(i))
			return nil
		} else if x < sum {
			fmt.Fprintf(out, "NO\n")
			return nil
		}
	}

	return nil
}

func main() {
	err := Run(os.Stdin, os.Stdout)

	if err != nil {
		log.Fatal(err)
	}
}