#include<iostream>
#include<iomanip>
using namespace std;
int main(void)
{
    double t,a;
    int cups,n;
    cin>>t>>n;
    a=t/(int(n)*2.0);
    cups=int(n)*2;
    cout<<fixed<<setprecision(3)<<a<<endl;
    cout<<cups;
    return 0;
}