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 JAVA (judge verdict: WA: Presentation Error)

import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main
{
    public static void main(String[] args) throws IOException
    {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String s;
		while((s=br.readLine())!=null){
			char[] chars = s.toCharArray();
			for(char c : chars){
					if(c==' ' || c=='.')   	System.out.print(c);
					else	   				System.out.print((char)(c-32));
			}
		}
    }
}