#include <iostream>
#include <vector>
#include <string>
using namespace std;

int main()
{
    string s;
    int a,b;
    cin >> s;
    a = s[0] - '0';
    b = 0;
    vector<char> d;
    int i = 2;
    for(i = 2;i < s.size();i++)
    {
        if(s[i] == 'e') break;
        d.push_back(s[i]);
    }
    i++;
    for(;i < s.size();i++)
    {
        b = b * 10 + (s[i] - '0');
    }
    if(a == 0)
    {
        if(d.size() == 1 && d[0] == '0')
        {
            cout << '0';
        }
        else {
            cout << a << '.';
            for(int j = 0;j < d.size();j++)
            {
                cout << d[j];
            }
        }
    }
    else{
        cout << a;
        vector<char> ret;
        int j = 0;
        for(j = 0;j < b && j < d.size();j++)
        {
            cout << d[j];
        }
        if(j < d.size())
        {
            //10的进位结束
            ret.push_back('.');
            for(;j < d.size();j++)
            {
                ret.push_back(d[j]);
            }
        }
        else
        {
            for(;j < b;j++)
            {
                ret.push_back('0');
            }
        }
        if(b == 0 && ret.size() == 2 && ret[1] == '0')
        {

        }else {
            for(int k = 0;k < ret.size();k++)
            {
                cout << ret[k];
            }
        }
    }
    return 0;
}