#include <stdio.h>

char c ;

bool isalpha ( ) ;

int main ( )
{
	while ( 1 ) {
		c = getchar ( ) ;
		if ( c == EOF ) break ;
		if ( isalpha ( ) ) {
			c -= ( 'a' - 'A' ) ;
		}
		putchar ( c ) ;
	}
	return 0 ;
}

bool isalpha ( )
{
	return ( c >= 'a' && c <= 'z' ) ;
}