Given 2 numbers N,M. Find their difference and check whether it is even or odd.

Given 2 numbers N,M. Find their difference and check whether it is even or odd.



const readline = require('readline');
 const inp = readline.createInterface({
  input: process.stdin
 });
 const userInput = [];
 inp.on("line", (data) => {
 userInput.push(data);
 });
 inp.on("close", () => {
 var data = userInput[0].split(" ");
 var a = parseInt(data[0]);
 var b = parseInt(data[1]);
var c=(a-b)
var d=Math.abs(c)
if(d%2==0)
 console.log("even")
 else
 console.log("odd")
});