#include<iostream>
#include<cstdlib>
#include<string>
#include<cstdio>
using namespace std;
int main(){
    string s;
    int a;
    double num;
    cin >> s;
    a = s.size()-1;
    num=int(s[0]-'0')*10+int(s[1]-'0');
    if( int(s[2]-'0')>=5 )    num++;
    if(num<100)
        printf("%.1f*10^%d\n",num/10,a);
    else
        printf("%.1f*10^%d\n",num/100,a+1);
    return 0;
}