package main

import . "fmt"
import . "math/big"

func main() {
	n:=new(Int)
	m:=new(Int)
	Scan(&n,&m)
	n.Mul(n,NewInt(100))
	m.Mul(m,NewInt(10))
	n.Add(n,m)
	m.Div(n,NewInt(2)).Mul(m,NewInt(2))
	if n.Cmp(m)==0 {
		Println("Yes")
	} else {
		Println("No")
	}
	
}