using System;

public class Program{

    private static readonly Random random = new Random();

    public static void Main(){

        Console.WriteLine("gib mir eine Zahl, du Schuft ");

        int n = Convert.ToInt32(Console.ReadLine());

        double[] arr = new double[n];

        double[] arr_mathified = new double[n];

        for (var i = 0; i < n; i++)  {  

            arr[i] = random.NextDouble()*3;

            arr_mathified[i] = Math.Exp(-Math.Pow(arr[i],2.0));

            Console.WriteLine("arr["+i+"]="+arr[i].ToString()+" -> "+arr_mathified[i].ToString());

        }       

    }

}