using System;

public class Program

{

    public static void Main()

    {

        int n = int.Parse(Console.ReadLine());

        hiThere(n);

        while (true) {

            n = int.Parse(Console.ReadLine());

            hiThere(n);

        }

    }

    public static int hiThere(int number) {

        number*=2;

        if (number <=100) {

            Console.WriteLine("Feem me bigger numbers!");

        }

        else {

            Console.WriteLine(number);

            return number;

        }

        return number;

    }

}