#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
    
    string s;
    cin >> s;
    float a = 0;
    for(int i = 0;i < 2;i++){
        a *= 10;
        a += s[i] - '0';
    }
    a += s[2]-'0' > 4 ? 1 : 0;
    a/= 10;
    printf("%0.1f*10^%lu\n",a,s.length()-1);
    return 0;
}