#include <string>
#include <iostream>
#include <cstdio>


using namespace std;

int main()
{
  string N;

  cin >> N;

  long long a = N.size();
  int numberN = int(N[0] - '0') * 10 + int(N[1] - '0');

  if (int(N[2] - '0') >= 5)
  {
    numberN++;
    N = to_string(numberN);
  }

  printf("%c.%c*10^%d\n",N[0], N[1],a-1);

  return 0;
}