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;
namespace aizu
{
    class OnlineJudge
    {
        static void Main()
        {
            for(string input; (input = Console.ReadLine()) != null; Console.WriteLine(input.ToUpper())) ;
        }
    }
}