include<bits/stdc++.h>

using namespace std; float passed,height,turn; int ball(float height,float turn) { if(turn==10) {

cout<<fixed<<setprecision(3)<<passed<<endl<<height/2;
return 0;

} if(turn==9) { passed+=height+height; } else { passed+=height+height/2; } ball(height/2,turn+1); } int main() {

system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");system("color 0a");
system("color 1b");
system("color 2f");
system("color 3f");
system("color 4f");
system("color 5f");
system("color 6f");
system("color 7f");
system("color 8f");
system("color 9f");
cin>>height;
ball(height,1);

}