using System;

public class Program

{

    public static void Main()

    {

        int a= 5;

        Console.WriteLine(a); //5

        a= a + 1;

        Console.WriteLine(a); //6

        a= a + 1;

        Console.WriteLine(a); //7

        a= 15;

        while(a <= 15)

        {   Console.WriteLine(a);

            a= a + 1;

        }

    }

}