There are two different compounds of sulfur and fluorine. In SF6SF6, the mass of fluorine per gram of sulfur is 3.55 g F/g Sg F/g S. In the other compound, SFXSFX, the mass of fluorine per gram of sulfur is 1.18 g F/g Sg F/g S. What is the value of XXX for the second compound? Express your answer as an integer.