using System;

class Program
{
public List<int> Fibonacci(int limit)
    {
    int a = 0;
    int b = 1;
    boolean found=false;
    List<int> forreturn = new List<int>();
    while(!found)
    {
        int temp = a;
        a = b;
        b = temp + b;
        a < limit ? forreturn.add(a) : found=true;
    }
    return forreturn;
    }

static void Main()
    {
    boolean success = false;
    int limit = 0;
    while(!success)
    try {   limit = int.Parse(Console.Readline());
        success=true;
        }
    Console.Writeline();
        foreach( int i in Console.WriteLine(Fibonacci(limit)))
    {
     Console.Write(i," , ");
    }
    }
}