uva 10468

沒有CODING技巧，純粹手算就對了

用了一張計算紙

//====================================================================||
// Name        : Rigid Circle Packing.cpp                                              ||
// Date : 2013/7/22 下午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);
    }
















}