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

using namespace std;

int main() {
    string N;
    int a;
    double numberN;

    cin >> N;
    a = N.size()-1;
    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);

    return 0;
}