#include<bits/stdc++.h>
using namespace std;
int main(){
    string s;
    cin>>s;
    if(s[0]=='9'&&s[1]=='9'&&s[2]>='5'){
        cout<<"1.0*10^"<<s.length()<<endl;
        return 0;
    }
    double a=stoi(s.substr(0,3));
    a/=10;
    a=round(a);
    printf("%.1f*10^%d",a/10,s.length()-1);
    cout<<endl;
    return 0;
}