Problem:
Capitalize

Write a program which replace all the lower-case letters of a given text with the corresponding captital letters.

Input

A text including lower-case letters, periods, and space is given in a line. The number of characters in the text is less than or equal to 200.

Output

Print the converted text.

Sample Input

this is a pen.

Output for the Sample Input

THIS IS A PEN.

Solution in C# (judge verdict: Accepted)

using System;

class ex
{
	static void Main()
	{
		for(;;){
			string str = Console.ReadLine();
			if(str == null) break;
			else {
				Console.WriteLine(str.ToUpper());
			}
		}
	}
}