#include <iostream>
using namespace std;

// illustrates i/o of ints and doubles
// illustrates arithmetic operations

int main()
{
    int ifahr;
    double dfahr;
    
    cout << "enter a Fahrenheit temperature ";
    cin >> ifahr;
    cout << ifahr << " F = "
         << (ifahr - 32) * 5/9
         << " Celsius" << endl;

    cout << "enter another temperature ";
    cin >> dfahr;
    cout << dfahr << " F = "
         << (dfahr - 32) * 5/9
         << " Celsius" << endl;
    
    return 0;
}