package main

import . "fmt"

func main() {
	var x,y,z int64
	Scan(&x,&y,&z)
	sum:=x+y+z
	if sum%3!=0 {
		Println("No")
		return
	}
	x+=100
	y+=100
	z+=100
	ex:=100+sum/3
	for i:=0;i<1000;i++ {
		if x>ex+2 {
			tz:=(x-ex+2)/3*3
			x-=tz
			z+=tz
		}
		if z>ex+1 {
			ty:=(z-ex+1)/2*2
			z-=ty
			y+=ty
		}
		if y>ex {
			tx:=y-ex
			y-=tx
			x+=tx
		}
	}
	if x==y&&y==z {
		Println("Yes")
	} else {
		Println("No")
	}
}