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 c;
    while(scanf("%c",c) != EOF){
        if('a'<=c && c <='z')
    	    printf("%c",c-=32);
    }

    return 0;
}