// Slower C++ solution:
/*****************

 *   I<3   C++   *

 *  IWANT ANYAC  *

 * ILOVEPROGRAM! *

 *IT'SINTERESTING*

 * ILOVEPROGRAM! *

 *  INCONTESTS   *

 *   GETSCORE    *

 *    ACCODE     *

 *     LETS      *

 *      GO       *

 *****************/

#include <algorithm>

#include <bitset>

#include <cassert>

#include <cctype>

#include <cmath>

#include <complex>

#include <cstdio>

#include <cstdlib>

#include <cstring>

#include <ctime>

#include <deque>

#include <fstream>

#include <functional>

#include <iomanip>

#include <iostream>

#include <list>

#include <map>

#include <numeric>

#include <queue>

#include <set>

#include <sstream>

#include <stack>

#include <string>

#include <utility>

#include <vector>

#define LL long long

#define pb push_back

#define pob pop_back

#define mp make_pair

#define FILL(a,v) memset((void*)a,v,sizeof(a))

#define FILL0(a) FILL(a,0)

#define FILL1(a) FILL(a,-1)

#define ALL(a) (a).begin(),(a).end()

#define Inf 1e9

#define Mod 1000000007

#define foreach(it,x) for(typeof(x.begin()) it=x.begin();it!=x.end();it++)

#define FOR(i,x) for(int i=0;i<x;i++)

#define RFOR(i,x) for(int i=x-1;i>=0;i--)

#define FFOR(i,a,b) for(int i=a;i<b;i++)

#define FRFOR(i,a,b) for(int i=a-1;i>=b;i--)

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

#define FI first

#define SE second

#define OVER(a) return puts(a),0

#define fastio ios::sync_with_stdio(0)

#define filei(f) freopen(f,"r",stdin)

#define fileo(f) freopen(f,"w",stdout)

#define MASK(a) (1<<(a))

#define MASKX(x,a) ((x)<<(a))

#define BIT(a,b) ((a>>b)&1)

using namespace std;

typedef pair<int,int> pii;

typedef unsigned long long UINT;

typedef unsigned int Uint;

typedef long long INT;

typedef pair<INT,INT> PII;

typedef stringstream sst;

typedef istringstream iss;

typedef vector<int> vint;

typedef vector<INT> VINT;

typedef vector<pii> vpii;

typedef vector<PII> VPII;

typedef priority_queue<int> pqi;

typedef priority_queue<INT> PQI;

typedef priority_queue<pii> pqp;

typedef priority_queue<PII> PQP;

typedef priority_queue<int,vint,greater<int> > xqi;

typedef priority_queue<INT,VINT,greater<INT> > XQI;

typedef priority_queue<pii,vpii,greater<pii> > xqp;

typedef priority_queue<PII,VPII,greater<PII> > XQP;



int n;

int d[100007];

vector<int> nei[100007];

int ceng[100007],shang[100007];



int cal_d(int la,int wh)

{

	int cnt=1;

	for(int i=0;i<SZ(nei[wh]);i++)

		if(nei[wh][i]!=la)

		{

			ceng[nei[wh][i]]=ceng[wh]+1;

			shang[nei[wh][i]]=wh;

			cnt+=cal_d(wh,nei[wh][i]);

		}

	d[wh]=cnt;

	return cnt;

}



int a,b;



int main()

{

	scanf("%d",&n);

	for(int i=0;i<n-1;i++)

	{

		scanf("%d%d",&a,&b);

		a--,b--;

		nei[a].push_back(b);

		nei[b].push_back(a);

	}

	cal_d(-1,0);

	int d4o=n-1;

	string mark;

	int guessed=(ceng[n-1]-1)/2;

	while(guessed--)d4o=shang[d4o];

	if(d[d4o]>=n-d[d4o])mark="Snuke";

	else mark="Fennec";

	cout<<mark<<endl;

	return 0;

}

// Faster C++ solution for the same problem (measured speedup: 3.456148394223377x):
#include<bits/stdc++.h>

using namespace std;

#define SZ(v) ((int)(v).size())

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

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

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

typedef long long ll;

typedef unsigned uint;

const int INF=0x3f3f3f3f;

int inline in(){int x=0,c;for(;(uint)((c=getchar())-'0')>=10;)

{if(c=='-')return -in();if(!~c)throw ~0;}do{x=(x<<3)+(x<<1)+(c-'0');}

while((uint)((c=getchar())-'0')<10);return x;}

vector<int> bfs(int n,vector<vector<int> >&G,int s){

	vector<int>d(n,INF);d[s]=0;

	queue<int>q;q.push(s);

	while(!q.empty()){

		int u=q.front();q.pop();

		rep(i,SZ(G[u])){

			int to=G[u][i];

			if(d[to]>d[u]+1){

				d[to]=d[u]+1;

				q.push(to);

			}

		}

	}

	return d;

}

int main(){

    cin.sync_with_stdio(false);cin.tie(0);

    int n;

	cin>>n;

	vector<vector<int> >G(n);

	rep(i,n-1){

		int a,b;

		cin>>a>>b;

		a--;b--;

		G[a].push_back(b);

		G[b].push_back(a);

	}

	vector<int>d1=bfs(n,G,0);

	vector<int>d2=bfs(n,G,n-1);

	int n1=0,n2=0;

	rep(i,n){

		if(d1[i]<=d2[i])n1++;

		else n2++;

	}

	string ans=n1>n2?"Fennec":"Snuke";

	cout<<ans<<endl;

	return 0;

}