using System;

public class Program

{

    public static void Main()

    {

     int a=3, b=2, c=4;

         bool d = (a<b && 3<0);

         bool e = (a<b || 3<0);

         bool f = (!((a-b)>c));

        Console.WriteLine(d);

        Console.WriteLine(e);

        Console.WriteLine(f);

        //2ра задача

        //(x >= 1 && x <= 5);

        //!(x >= 1 && x <= 5);

        //!(x >= 1 && x >= 5);

        //(!(x >= 1) && x >= 5);

        //3та задача

        int x = 7;

        bool a = (x >= 1 && x <= 5);

        bool b = !(x >= 1 && x <= 5);

        bool c = !(x >= 1 && x >= 5);

        bool d = (!(x >= 1) && x >= 5);

        Console.WriteLine(a);

        Console.WriteLine(b);

        Console.WriteLine(c);

        Console.WriteLine(d);

​

    }

}