using System;

public class Program

{

    public static void Main()

    { int[] mas={9, 1, 2, 81, 8, 3, 5, 6, 10, 81};

     float division=1;

     for (int i=0; i<mas.Length; i++)

     {

         division=mas[i]/mas[0];

    }

      Console.WriteLine(division);

    }

}