using System;
class Program
{
public static int Fibonacci(int n)
int a = 0;
int b = 1;
for (int i = 0; i < n; i++)
int temp = a;
a = b;
b = temp + b;
}
return a;
static void Main()
for (int i = 0; i < 15; i++)
Console.WriteLine(Fibonacci(i));