using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter the number limit");

        int n=Convert.ToInt32(Console.ReadLine())

        int a,b;

        Console.WriteLine("enter the numbers to start the series");

        a=Convert.ToInt32(Console.ReadLine());

        b=Convert.ToInt32(Console.ReadLine());

        int n1=a;

        int n2=b;

        for (int i=0;i<n; i++)

        {

            int n3=a+b;

            Console.WriteLine(n3);

            n1=a;

            n2=b;

        }

    }

}