#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<iomanip> using namespace std; int main(){ double h=100; double n=100; for(int i=1;i<=10;i++){ h=h/2; n=n+(h*2); } cout<<fixed<<setprecision(6)<<n<<" "<<h<<endl; return 0; }