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

class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    static long[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = ReadLine();
        if (n[0] == '9' && n[1] == '9' && n[2] >= '5')
        {
            WriteLine($"1.0*10^{n.Length}");
        }
        else
        {
            var a = n[0] - '0';
            var b = n[1] - '0';
            if (n[2] >= '5') ++b;
            if (b == 10)
            {
                ++a;
                b = 0;
            }
            WriteLine($"{a}.{b}*10^{n.Length - 1}");
        }
    }
}