#include <bits/stdc++.h>
typedef long long i64;
using std::cout;
using std::endl;
using std::cin;

int main() {
	std::string s; cin >> s;
	
	int a = s[0] - '0';
	int b = s[1] - '0';
	int d = s.size() - 1;
	if(s[2] - '0' > 4) b++;
	if(b >= 10) {
		a += 1;
		b -= 10;
	}
	if(a >= 10) {
		d += 1;
		a /= 10;
	}
	
	printf("%d.%d*10^%d", a, b, d);
	return 0;
}