main() { double F,c; cin>>F; c=5/9(F-32.); cout<<"F="<<F<<"c="<<c<<endl; }

#include <iostream>
using namespase std;
void main()
{
double F,c;
cin>>F;
c=5/9(F-32);
cout.precisions(5);
cout<<"F="<<F<<"c=&quo