using static System.Console;

using static System.Math;

​

WriteLine(Round(0.2));

WriteLine(Round(0.5));

WriteLine(Round(0.8));

WriteLine(Round(1.2));

WriteLine(Round(1.5));

WriteLine(Round(1.8));

WriteLine(Round(-0.2));

WriteLine(Round(-0.5));

WriteLine(Round(-0.8));

WriteLine(Round(-1.2));

WriteLine(Round(-1.5));

WriteLine(Round(-1.8));