#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){
	ios::sync_with_stdio(0),cin.tie(0);
    string s;
    cin>>s;
    ll t1=s[1]-'0';
    ll t0=s[0]-'0';
    if(s.size()==2){
        printf("%lld.%lld*10^1",t0,t1);
    }
    else{
        ll t2=s[2]-'0';
        ll legth=s.size()-1;
        if(t2>=5){
            t1+=1;
        }
        if(t1==10){
            t0+=1;
            t1=0;
        }
        if(t0==10){
            legth+=1;
            t0=1;
            t1=0;
        }
        printf("%lld.%lld*10^%lld",t0,t1,legth);
    }

	return 0;
}