#include <iostream>
#include <iomanip>
int main()
{
float f = 1.0, c;
c = (f - 32) * (5.0 / 9.0);
std::cout << std::fixed << std::setprecision(2) << f << " fahrenheit = " <<
std::fixed << std::setprecision(2) << c << " celsius" << "\n";
}
/*
run:
1.00 fahrenheit = -17.22 celsius
*/