// convert Fahrenheit to Celcius do while 'Y'
#include <iostream>
using namespace std;
void main()
{ int fahr;
  double celcius;
  char answer='Y'; 
  do
  { cout<<"Enter Fahrenheit temperature: ";
    cin>>fahr; // read temperature
    celcius=(fahr-32)*5.0/9; //force to decimal
    cout<<fahr<<" Fahrenheit = "<<celcius<<" Celcius\n";
    cin.ignore(100,'\n'); //flush the \n from the buffer
    cout<<"Are there any more temperatures Y or N:";
    cin>>answer;
  } while (answer=='Y' || answer=='y'); //accept either Y or y 
} // main