using System;

public class Program

{

    public static void Main()

    {

       bool a = true;

       bool b = false;

        Console.WriteLine("Acum a este : "+ !a);

        Console.WriteLine("Acum b este : "+ !b);

        Console.WriteLine(true & true);//1 * 1

        Console.WriteLine(false & false);//0 * 0

        Console.WriteLine(false & true);//0 * 1

        Console.WriteLine(true ^ true);//False

        Console.WriteLine(false ^ false);//False

        Console.WriteLine(true ^ false);//True

        Console.WriteLine(true | true);//True

        Console.WriteLine(false | false);//False

        Console.WriteLine(true | false);//True

        int c = 10;

        while(c>=0){

        Console.WriteLine(c);

            c--;//c = c + 1

        }

        int d = 5;

        do{

        Console.WriteLine(d);

            d--;

        }

        while(d>=0);

        int e = 1;

        while(e<=100){

        Console.WriteLine(e);

            e=e+2;

        }

        int f = 0;

        while(f<=100){

        if(f%2!=0)

        Console.WriteLine(f);

            f++;

        }

        for(int i = 0;i<=10;i++){

        Console.WriteLine(i);

        }   

        for(int i = 0;i<=8;i++){

            if(i ==3){

                break;

        }

        Console.WriteLine(i);

        }

        for(int i = 0;i<=8;i++){

        if(i ==3){

        continue;

        }

        Console.WriteLine(i);   

        }

        for(int i = 0; i<3;i++){

        for(int j = 0; j<7;j++){

        for(int k = 0; k <(7 -j)/2;k++){

        Console.Write(" ");

        }   

        for(int m = 0; m<=j;m++){

        Console.Write("*"); 

        }   

        for(int n =(7 - j)/2;n<7;n++){

        Console.Write(" ");

        }

        Console.WriteLine();    

        }

        }

   }

   }