#include <iostream>

using namespace std;

int main() {
    float tempInF{0};
    float tempInC{0};
    int intTempInC{0};

    cout << "Enter the temp in F => ";
    cin >> tempInF;

    // just plain wrong
    //tempInC = 5/9*(tempInF -32);

 
    // ok
    //tempInC = float(5)/float(9)*(tempInF -32);
    //
    
    //tempInC = static_cast<float>(5)/static_cast<float>(9)*(tempInF -32);

    //tempInC = 5.0/9 * (tempInF - 32);
    tempInC = 5.0/9.0 * (tempInF - 32.0);
    
    //NO NO NO!
    //tempInC = float(5/9) * (tempInF - 32.0);

    intTempInC = static_cast<int>(tempInC+ 0.5);

    cout << "That is " << tempInC << endl;
    cout << "That is " << intTempInC << endl;

    return 0;
}