#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ double n; cin>>n; int a=n,s[33]={},i=0; double x=n-a; if(a==0)cout<<0; while(a!=0){ s[i]=a%2; a/=2; i++; } for(int j=i-1;j>=0;j--){ cout<<s[j]; } if(x!=0){ cout<<"."; while(x!=0){ x*=2; cout<<int(x); x-=int(x); } } return 0; }