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: Time Limit Exceeded)

#include <stdio.h>

int main()
{
	char n;
	while(n=getchar()){
		if('a'<=n&&n<='z')n=n-'a'+'A';
		putchar(n);
	}
	return 0;
}