using System;

namespace ConsoleApplication9
{
    class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            int a = 0;
            int b = 1;
            int c = 0;

            if ( n == 1 || n == 0 )
            {
                Console.WriteLine(a);
            }
            else
            {
                Console.Write("{0}, {1}", a, b);

                for (int i = 0; i < n - 2; i++)
                {
                    c = a + b;
                    Console.Write(", " + c);
                    a = b;
                    b = c;
                }
            }
        }
    }
}