#include<stdio.h>
int main(void){
  int x,y,i,j,a,b,c;
  scanf("%d %d",&x,&y);
  if(x*4<y){
    printf("No\n");
    return 0;
  }
  a=0;
  b=x-a;
  for(i=0;i<=x;i++){
    if(a*4+b*2==y){
      printf("Yes\n");
      return 0;
    }
    a+=1;
    b-=1;
  }
  printf("No\n");
  return 0;
}
