#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int INF = 1LL << 30;
int MOD = 1e9+7;
main(){
    string S;
    cin >> S;
    char str[2];
    int size = S.size();
    if(S.substr(0,2) == "99" && (char)S[2] >= '5'){
        str[0] = '1', str[1] = '0';
        size ++;
    }else if(S[1] == '9' && S[2] >= '5'){
        str[0] = S[0] + 1, str[1] = '0';
    }else if(S[2] >= '5'){
        str[0] = S[0], str[1] = S[1] + 1;
    }else{
        str[0] = S[0], str[1] = S[1];
    }
    printf("%c.%c*10^%d", str[0], str[1], size-1);
}