#include <iostream>
#include <string>
#include <vector>
#include <utility>
#include <algorithm>
#include <functional>
#include <cmath>


using namespace std;

int main() {
    string s;
    cin >> s;
    double x = stod(s);
    int xlog10 = log10(x);
    double p = x / (pow(10, xlog10));
    if (p > 9.0) {
        p /= 10;
        xlog10++;
    } else if (p < 1.0) {
        p *= 10;
        xlog10--;
    }
    printf("%.1f*10^%d\n", p, xlog10);
}