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


using namespace std;

int main()
{
  string n;

  cin >> n;

  int 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;
}