JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.4.js"></script>
<p id="seeCookie">seeCookie</p>

<input type="radio" id="A03" name="Opciones" value="3" /><label for="A03">Three</label>

<input type="radio" id="A04" name="Opciones" value="4"/><label for="A04">Four</label>

JavaScript

$(document).ready(function(){

	var $Status = "A0"+document.cookie[0];
	document.getElementById("seeCookie").innerHTML=$Status;

	$('input').on('click', function() {
		$Opcion=$('input[name=Opciones]:checked', '').val();
		document.cookie = $Opcion;
		
		var $Status = "A0"+document.cookie;
		document.getElementById("seeCookie").innerHTML=$Status;
	});
});