#include<bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
  ios::sync_with_stdio(false), cin.tie(0);
  string s; cin >> s;
  int x = s[0]-'0';
  int y = s[1]-'0';
  if(y > 4) x++;
  int z = s.size()-1;
  if(x == 10) x = 1, z++;
  cout << x << ".0*10^" << z << endl;
}