//to_upper function
//this program uses a standard C++ library function
// to convert lower case entries to upper case entries


#include <iostream> 
#include <cctype>   //for toupper function
using namespace std;

int main()
{

	char letter;

	cout << "Enter a letter\n";
	cin  >> letter;

	letter = toupper(letter);

	cout << "You entered " << letter<<endl;


	return 0;

} //end of main