using System;
using System.Collections.Generic;
using System.Linq;

public class abcd
{
    public static void Main()
    {
        var a = Console.ReadLine().Split(' ').Select(x => long.Parse(x)).ToList();
        Console.Write(a[0] / a[1] +".");
        for(int i = 0; i <= 49; ++i)
        {
            a[0] = 10 * (a[0] % a[1]);
            Console.Write(a[0] / a[1]);
        }
    }
}