using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
using System.Security.Cryptography;

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var d = c[0] / c[1];
        var rest = c[0] % c[1];
        Write($"{d}.");
        for (var i = 0; i < 50; ++i)
        {
            rest *= 10;
            Write(rest / c[1]);
            rest %= c[1];
        }
        WriteLine();
    }
}