// uppercase.cxx
#include <iostream>
#include <cstdlib>
#include <cctype>

using std::cout;
using std::cin;

int main()
{
   char charvar;

   charvar = cin.get();      // charvar is initialized
   while( charvar != EOF )   // Reserved word while in lower case
   {
       cout.put( toupper(charvar) );
       charvar = cin.get();
   }

   return EXIT_SUCCESS;
}