#include <iostream> #include<vector> using namespace std; int main() { double c; cin>>c; int t = c; double d = c - t; vector<int>a; int i=0; if(t==0) cout<<0; while(t!=0){ a.push_back(t%2); t /= 2; i++; } for(int j = i - 1;j >= 0;j--){ cout<<a[j]; } if(d!=0){ cout<<'.'; while(d != 0){ d = d * 2; if(d==1){ cout<<1; return 0; } else if(d>1) cout<<1; else cout<<0; } } return 0; }