#include
#include
using namespace std;
int main()
{
ostream_iterator ostreamIterator(cout);
*ostreamIterator = 'X';
ostreamIterator++;
*ostreamIterator = 'Y';
ostreamIterator++;
*ostreamIterator = ' ';
char str[] = "C++ Iterators are powerful.\n";
char *p = str;
while(*p) *ostreamIterator++ = *p++;
ostream_iterator out_double_it(cout);
*out_double_it = 187.23;
out_double_it++;
*out_double_it = -102.7;
return 0;
}