class femtometers
{
 const double FEET_TO_METERS = 0.3048;
 public:
 double ConvertToMeters(double feet)
 {
 return feet * FEET_TO_METERS;
 }
};
int main()
{
 double feet = 0;
 femtometers converter;
 do {
 printf("enter a value for feet: ");
 scanf_s("%lf", &feet);
 double meters = converter.ConvertToMeters(feet);
 printf("%lf feet is %lf meters\\", feet, meters);
 } while (feet > 0.0);
 return 0;
}