Fibonacci

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace homework_3
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = 1;
            int b = 1;
            Console.WriteLine("f1 = {0}", a);
            Console.WriteLine("f2 = {0}", b);
            a = a + b;
            Console.WriteLine("f3 = {0}", a);
            b = b + a;
            Console.WriteLine("f4 = {0}", b);
            a = a + b;
            Console.WriteLine("f5 = {0}", a);
            b = b + a;
            Console.WriteLine("f6 = {0}", b);
            Console.ReadLine();

        }
    }
}