Fibonacci

using System;

class MainClass 
{
    public static void FibonacciSequence(int number)
    {
        var a = 0;
        var b = 1;
        
        for (var i = 0; i < number; i++)
        {
            var temp = a;
            a = b;
            b = temp + b;
            
            Console.WriteLine(a);
        }
    }

    static void Main()
    {
        FibonacciSequence(15);
    }
}