//Fibonacci Series
using System;


namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
           int no=10;
            if(no==1)
            {
                Console.Write(0);
            }
            else if(no==2)
            {
                Console.Write("0,1");
                
            }
            else
            {
                int a=0,b=1,sum=1;
                Console.Write("0,1,");
                for(int i=0;i<no-2;i++)
                    {
                        sum=a+b;
                        a=b;
                        b=sum;
                        Console.Write(sum + ",");
                    }
            }
        }
        
    }
}