コーディングの技術はなく、純粋に手計算で大丈夫です
計算用紙を使いました
//====================================================================||
// Name : Rigid Circle Packing.cpp ||
// Date : 2013/7/22 午後3:39:30 ||
// Author : GCA ||
// 6AE7EE02212D47DAD26C32C0FE829006 ||
//====================================================================||
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <climits>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <cctype>
#include <utility>
using namespace std;
#ifdef ONLINE\_JUDGE
#define ll "%lld"
#else
#define ll "%I64d"
#endif
typedef unsigned int uint;
typedef long long int Int;
#define Set(a,s) memset(a,s,sizeof(a))
#define Write(w) freopen(w,"w",stdout)
#define Read(r) freopen(r,"r",stdin)
#define Pln() printf("\\n")
#define I\_de(x,n)for(int i=0;i<n;i++)printf("%d ",x\[i\]);Pln()
#define De(x)printf(#x"%d\\n",x)
#define For(i,x)for(int i=0;i<x;i++)
#define CON(x,y) x##y
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\\
printf("%d ",dp\[htx\]\[hty\]);}Pln();}
#define M 10011
#define PII pair<int,int\>
#define PB push\_back
#define oo INT\_MAX
#define Set\_oo 0x3f
#define Is\_debug true
#define debug(...) if(Is\_debug)printf("DEBUG: "),printf(\_\_VA\_ARGS\_\_)
#define FOR(it,c) for(\_\_typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
#define eps 1e-6
bool xdy(double x,double y){return x>y+eps;}
bool xddy(double x,double y){return x>y-eps;}
bool xcy(double x,double y){return x<y-eps;}
bool xcdy(double x,double y){return x<y+eps;}
int min3(int x,int y,int z){
int tmp=min(x,y);
return min(tmp,z);
}
int max3(int x,int y,int z){
int tmp=max(x,y);
return max(tmp,z);
}
double pi=acos(-1);
inline double dsin(double x){
return sin(x\*pi/180);
}
inline double dcos(double x){
return cos(x\*pi/180);
}
inline double sqr(double x){
return x\*x;
}
double ans9,ans10;
void pre(){
double dt=sqrt(4-sqr((2\*sqrt(2)-2)/2))+2\*sqrt(2);
double dt2=sqrt(3)+2+sqrt(2);
dt+=dt2;
dt/=sqrt(2);
ans9=dt;
dt=sqrt(4+8-8\*sqrt(2)\*dcos(60));
double ang=asin(2\*dsin(60)/dt);
ang=ang\*180/pi;
double ang2=acos((sqr(dt)+4-4)/(4\*dt));
ang2=ang2\*180/pi;
ang=180-ang-ang2-45;
ans10=2\*dcos(ang)+6;
// printf("%lf",ans10);
}
int main() {
ios\_base::sync\_with\_stdio(0);
pre();
double a;
while(~scanf("%lf",&a)){
printf("%.5f %.5f\\n",ans9\*a,ans10\*a);
}
}