#include <iostream>

using namespace std;

int main()
{

   double width = 8.5; 
   double height = 11; 
   double mm = 25.4;
      
   double widthmm = width*mm;
   double heightmm = height*mm;

   cout << "The metric dimensions of a letter-sized sheet of paper are " << widthmm << " mm by " << heightmm << " mm. " << endl;

   return 0;
}