// Slower C++ solution:
#include<iostream>

#include<string>

#include<cmath>

#include<cstdio>

#include<cctype>

#include<cstring>

#include<iomanip>

#include<cstdlib>

#include<ctime>

#include<set>

#include<map>

#include<utility>

#include<queue>

#include<vector>

#include<stack>

#include<sstream>

#include<algorithm>

using namespace std;

typedef long long ll;

typedef unsigned long long ull;

typedef pair<ll,ll> pii;

typedef vector<pii> vii;

typedef vector<ll> vi;

typedef queue<ll> qi;

typedef queue<char> qc;

typedef queue<string> qs;

typedef vector<char> vc;

typedef vector<string> vs;

typedef map<char,ll> mpci;

typedef map<ll,ll> mpii;

typedef map<string,ll> mpsi;

typedef set<ll> sei;

typedef set<char> sec;

typedef set<string> ses;

typedef stack<ll> si;

typedef stack<char> sc;

typedef vector<ll> vll;

typedef vector<vi> vvi;

typedef vector<double> vd;

typedef pair<ll,ll> pll;

typedef pair<double,double> pdd;

typedef vector<pll> vpll;

typedef vector<pdd> vdd;

typedef unsigned int uint;

typedef long double ld;

typedef vector<bool> vb;

typedef vector<double> vd;

typedef vector<vi> vvi;

typedef vector<vvi> vvvi;

typedef vector<vii> vvii;

/*=====================================================================*/

#define mp make_pair

#define pb push_back

#define rep(i,n) for(int i=0;i<(int)(n);i++)

#define sz(a) (int)(a.size())

#define len(a) (int)(a.length())

#define all(s) (s).begin(),(s).end()

#define fi first

#define se second

#define be begin

#define en end

#define repd(i,n) for(int i=n-1;i>=0;i--)

#define forn(i,p,n) for(int i=p;i<n;i++)

#define ford(i,p,n) for(int i=n-1;i>=p;i--)

#define foreach(i,c) for(__typeof(c.begin())i=(c.begin());i!=(c).end();++i)

#define zero(a) memset(a,0,sizeof(a))

#define number(a,num) memeset(a,num,sizeof(a))



/*=====================================================================*/



inline void read(int &x)

{

	short negative=1;

    x=0;

    char c=getchar();

    while(c<'0' || c>'9')

    {

		if(c=='-')

			negative=-1;

		c=getchar();

	}

    while(c>='0' && c<='9')

        x=(x<<3)+(x<<1)+(c^48),c=getchar();

    x*=negative;

}

inline void write(long long x) {

  static long long sta[35];

  long long top = 0;

  do {

    sta[top++] = x % 10, x /= 10;

  } while (x);

  while (top) putchar(sta[--top] + 48);

  puts("");

}

/*======================================================================*/

bool prime(int n)

{

	if(n==0||n==1)

	  return false;

	for(int i=2;i*i<=n;i++)

	  if(n%i==0)

	    return false;

	return true;

}

/*======================================================================*/

const int dx[]={-1,0,1,0};

const int dy[]={0,-1,0,1};

vector<int> v[111111];

int dist[2][111111];

int n;

/*======================================================================*/

void dfs(int m,int p,int c)

{

	dist[c][m]=dist[c][p]+1;

  	rep(i,v[m].size())

  	{

  	  if(v[m][i]!=p)

	  {

		dfs(v[m][i],m,c);

	  }	

	}

}

int main()

{

  /*

	ios_base::sync_with_stdio(0);

	cin(tie);

	freopen("input.txt","r",stdin);

	freopen("output.txt","w",stdout);

  */

  /*====================================================================*/

  read(n);

  rep(i,n-1)

  {

  	int a,b;

  	read(a);

  	read(b);

  	v[a].pb(b);

  	v[b].pb(a);

  }

  dist[0][0]=-1;

  dist[1][0]=-1;

  dfs(1,0,0);

  dfs(n,0,1);

  int cnt1=0,cnt2=0;

  for(int i=1;i<=n;i++)

  {

  	if(dist[0][i]<=dist[1][i])

  	  cnt1++;

  	else

  	  cnt2++;

  }

  if(cnt1>cnt2)

    cout<<"Fennec";

  else

    cout<<"Snuke";

  return 0;

}


// Faster C++ solution for the same problem (measured speedup: 19.89470971158011x):
#include <cstdio>

#define N 100005

int n;

struct edge{

    int to,next;

}e[N<<1];

int head[N],cnt;

void add(int u,int v){

    e[++cnt]=(edge){v,head[u]};

    head[u]=cnt;

}

int son[N];

int path[N],len;

bool dfs(int x,int fa){

    bool p=x==n;

    for(int i=head[x];i;i=e[i].next){

        int v=e[i].to;

        if(v==fa)continue;

        p|=dfs(v,x);

    }

    son[fa]+=son[x]+1;

    if(p){

        path[++len]=x;

        return true;

    }

    return false;

}

int main(){

    scanf("%d",&n);

    for(int i=1,u,v;i<n;++i){

        scanf("%d%d",&u,&v);

        add(u,v);add(v,u);

    }

    dfs(1,0);

    int ans=0;

    for(int i=len;i>len/2;--i)

        ans+=son[path[i]]-son[path[i-1]];

    printf("%s\n",ans*2>n?"Fennec":"Snuke");

    return 0;

}