"use strict";
const Main = (input) =>{
   let xs = input.trim().split(' ').map(v=>parseInt(v,10));   
   let result = 0;                                    
     for(let i =0; i<xs.length; i++){
   	    result +=xs[i];
      }
   //console.log(result);
   if(result%2==0){
     console.log("Yes");
   }else{
   	 console.log("No");
   }
     
}
Main(require('fs').readFileSync('/dev/stdin','utf8'));