text: #include <iostream>
  #include <iomanip>
  using namespace std;
  
  int main() {
  	double a, b, m;
  	cin>>fixed>>setprecision(1);
  	cin>>a>>b;
  	m=a/b;
  	cout<<fixed<<setprecision(3);
  	cout<<m<<" km/l"<<endl;
  	return 0;
  }