#include<cstring>
#include<string>
#include<vector>
#include<iostream>
#include<cstdio>
#include<cstdlib>
#include<stack>
#include<queue>
#include<cmath>
#include<algorithm>
#include<list>
#include<set>
#include<map>
#include<complex>
#include<sstream>
#include<climits>
#define rep(X,Y) for (int (X) = 0;(X) < (Y);++(X))
#define rrep(X,Y) for (int (X) = (Y)-1;(X) >=0;--(X))
#define all(X) (X).begin(),(X).end()
#define pb push_back
#define mk make_pair
#define fi first
#define sc second
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};

int main() {
  string s;
  cin >> s;

  int a, b, c;
  c = (int)s.size() - 1;

  a = s[0] - '0';
  b = s[1] - '0';

  if ('5' <= s[2]) {
    if (++b >= 10) {
      b = 0;
      ++a;
      if (a >= 10) {
        a = 1;
        ++c;
      }
    }
  }

  printf("%1d.%1d*10^%d\n", a, b, c);

  return 0;
}