using System;
using System.Linq;
using System.Xml.Linq;

public class MainClass {
    public static void Main() {

        XElement Company = XElement.Parse(
          @" <Company >
        <Emp>
          <name>P</name>
          <Age>J</Ager>
        </Emp>
        <Emp>
          <name>W</name>
          <Age>B</Age>
        </Emp>
        <Emp>
          <name>C</name>
          <Age>A</Age>
        </Emp>
    </Company>");

        var name =
         from Emp in Company.Elements("Emp")
         where (string)Emp.Element("name") == "J"
         select emp.Element("Age");

        foreach (var cont in name)
            Console.WriteLine(cont.Value);
    }
}