#include<bits/stdc++.h> using namespace std; int main(){ double a; int x[101]={},b=0; cin>>a; int i=0; if(a==0)cout<<0; b=a; while(b!=0){ x[i]=b%2; b/=2; i++; }for(int j=i-1;j>=0;j--)cout<<x[j]; double c=a-b; if(c!=0){ cout<<"."; while(c!=0){ c=c*2; cout<<int(c); c=c-(int(c)); } } return 0; }