Codeforces B. Barnicle

// Accepted

#include<bits/stdc++.h>

using namespace std;

#define fast ios_base::sync_with_stdio(false)
#define out(x) cout << x << "\n"

typedef unsigned long long ull;

string ans="";

void fun_ek(int n)
{
    while(n--)
    {
        ans+="0";
    }
}

int main()
{
    fast;

    string s;
    while(cin >> s)
    {
        ans="";

        if(s[0] != '0') ans+=s[0];

        int b=0 , k=1;
        string tmp="";

        while(s[s.length()-k] != 'e')
        {
            tmp+=s[s.length()-k];
            k++;
        }

        ull i=0 ;
        //out(tmp);
        //out(tmp.length());

        k=0;

        for(k=tmp.length()-1; k>=0; k--)
        {
            b = (tmp[k] - 48) + (b * 10);
        }

        //cout << "b = " << b << "\n";

        //cout << s[s.length()-3] << "\n";
        //cout << "len = " << s.length() << "\n";

        bool f=false;

        for(i=2; b > 0; i++, b--)
        {
            if(s[i] == 'e')
            {
                fun_ek(b);
                f=true;
                break;
            }

            ans+=s[i];
            s[i] = '0';
        }

        //cout << ans << "\n";
        //out(s);
        //cout << "i = " << i << "\n";
        //out(f);
        if(s[i] == 'e') out(ans);
        else
        {
            ans+=".";
            ull z=0;
            bool flg=false;
           for(; i<=s.length()-tmp.length(); i++)
           {
               if(s[i] == 'e') break;
               if(s[i] == '0') z++;
               else z=0 , flg=true;
                ans+=s[i];
           }
           //cout << ans << "\n";

            if(!flg)
            {
                if(ans[0] == '.') out(0);
                else if(ans[0] != '.') cout << ans[0] << "\n";
            }
            else
            {
                if(ans[0] == '.')
                {
                    cout << "0" << ans << "\n";
                }

                else
                {
                    cout << ans << "\n";
                }
            }
        }
    }

    return 0;
}