using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(1/3);

        int x = 1;

        int y = 3;

        Console.WriteLine(x/y);

        //========================================

        Console.WriteLine();

        //========================================

        Console.WriteLine(1/3.0);

        Console.WriteLine(1.0/3);

        Console.WriteLine(1.0/3.0);

        double a = 1;

        double b = 3;

        Console.WriteLine(a/b);

    }

}