#include <bits/stdc++.h>

using namespace std;

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

    int n = s.size();
    double a = 1.0 * stoi(s.substr(0, 3)) / 100;

    printf("%.1f*10^%d\n", ((int)round(a) / 10 ? a / 10 : a), ((int)round(a) / 10 ? n : --n));

    return 0;
}