#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	string s;
	cin >> s;
	int n = (int) s.length() - 1;
	double d = stod(s.substr(0, 3)) / 10;
	d = round(d);
	if (d >= 100.0) {
		d /= 10;
		n++;
	}
	d /= 10;
	printf("%.1lf*10^%d\n", d, n);
	return 0;	
}