#include <iostream>

using namespace std;

int main()
{
    int cel_to_fah(int);
    
    int temp;
    cout << "Enter a temperature in Fahrenheit: ";
    cin >> temp;
    cout << temp << " degrees Fahrenheit is " << fah_to_cel(temp) << " degrees Celsius.\n";
    
    system("PAUSE");
    return EXIT_SUCCESS;
}

int fah_to_cel(int fahren)
{
    return (fahren - 32) * 1.8;
}