using System;

public class Test
{
	public static void Main()
	{
		 string sentence = "write LINQ queries to do the following";
		 int nLastWord = sentence.LastIndexOf(' ');
		 string strLastWord = sentence.Substring(nLastWord + 1,
		 	sentence.Length - nLastWord - 1).ToUpper();
		 	
		 Console.WriteLine(strLastWord);
	}
}