// Original C++ solution (slower):
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// ¡¡¡¡>- ._¡¡ ¥£¡¡ ©¦ £¯£¯							AC		AC		AC		AC

// ¡¡ / ¤Ø¡¡¡¡ /¡¡/£¼| £Ü£Ü							AC		AC		AC		AC

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// ¡¡¡¡ 7¡¡¡¡¡¡¡¡¡¡¡¡¡¡|£¯							AC		AC		AC		AC

// ¡¡¡¡ £¾¨Dr£þ£þ`-¨D£ß/							AC		AC		AC		AC

//**************************************Accepted*****************************************//



#include<bits/stdc++.h>



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

#define pb push_back

#define mp make_pair

#define Unique(x) x.erase(unique(all(x)),x.end());



#define CIN_FILE "input.txt"

#define COUT_FILE "output.txt"



#define Pig (OO)



using namespace std;



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

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



inline int read()

{

	#define gc getchar

	int ans=0;

	bool f=1;

	char ch=gc();

	

	while(!isdigit(ch))f^=ch=='-',ch=gc();

	

	while(isdigit(ch))ans=((ans<<2)+ans<<1)+(ch^48),ch=gc();

	

	return f?ans:-ans;

	

	#undef gc

}



typedef long long ll;



/*



template <typename T>

struct modular {

    constexpr modular() : val(0){}

    constexpr modular(const modular<T>& _m) : val(_m.val) {}

    template <typename U> constexpr modular(const U& _r = U()) {

        val = -MOD <= _r && _r < MOD ? _r: _r % MOD;

        if (val < 0) { val += MOD; } }

    const T operator()() { return val; }

    template <typename U> explicit operator U() const { return static_cast<U>(val); }

    modular<T>& operator+=(const modular<T>& _m) { if ((val += _m.val) >= MOD) { val -= MOD; } return *this; }

    modular<T>& operator-=(const modular<T>& _m) { if ((val -= _m.val) < 0) { val += MOD; } return *this; }

    modular<T>& operator*=(const modular<T>& _m) { val = modular<T>(static_cast<int64_t>(val) * static_cast<int64_t>(_m.val)).val; return *this; }

    modular<T>& operator/=(const modular<T>& _m) {

        T a = _m.val, b = MOD, u = 0, v = 1;

        while (a != 0) {

            T q = b / a;

            b -= q * a; swap(a, b);

            u -= q * v; swap(u, v);

        } return *this *= u; }

    modular<T>& operator =(const modular<T>& _m) { val = _m.val; return *this; }

    template <typename U> modular<T>& operator+=(const U& _r) { return *this += modular<T>(_r); }

    template <typename U> modular<T>& operator-=(const U& _r) { return *this -= modular<T>(_r); }

    template <typename U> modular<T>& operator*=(const U& _r) { return *this *= modular<T>(_r); }

    template <typename U> modular<T>& operator/=(const U& _r) { return *this /= modular<T>(_r); }

    template <typename U> modular<T>& operator =(const U& _r) { val = modular<T>(_r).val; return *this; }

    modular<T> operator-() { return modular<T>(-val); }

    template <typename U> friend bool operator==(const modular<U>&, const modular<U>&);

    friend std::istream& operator>>(std::istream& os, modular<T>& _m) { os >> _m.val; _m *= 1; return os; }

    friend std::ostream& operator<<(std::ostream& os, const modular<T>& _m) { return os << _m.val; }

    template <typename U>

    modular<T> exp(U e) {

        modular<T> res = 1;

        modular<T> b = val;

        if (e < 0) { b = 1/b; e *= -1; }

        for (; e; e >>= 1) {

            if (e & 1) { res *= b; }

            b *= b;

        } return res; }

private:

    T val;

};

template <typename T> inline modular<T> operator+(const modular<T>& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) += _rhs; }

template <typename T, typename U> inline modular<T> operator+(const modular<T>& _lhs, const U& _rhs) { return modular<T>(_lhs) += _rhs; }

template <typename T, typename U> inline modular<T> operator+(const U& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) += _rhs; }

template <typename T> inline modular<T> operator-(const modular<T>& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) -= _rhs; }

template <typename T, typename U> inline modular<T> operator-(const modular<T>& _lhs, const U& _rhs) { return modular<T>(_lhs) -= _rhs; }

template <typename T, typename U> inline modular<T> operator-(const U& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) -= _rhs; }

template <typename T> inline modular<T> operator*(const modular<T>& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) *= _rhs; }

template <typename T, typename U> inline modular<T> operator*(const modular<T>& _lhs, const U& _rhs) { return modular<T>(_lhs) *= _rhs; }

template <typename T, typename U> inline modular<T> operator*(const U& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) *= _rhs; }

template <typename T> inline modular<T> operator/(const modular<T>& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) /= _rhs; }

template <typename T, typename U> inline modular<T> operator/(const modular<T>& _lhs, const U& _rhs) { return modular<T>(_lhs) /= _rhs; }

template <typename T, typename U> inline modular<T> operator/(const U& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) /= _rhs; }

template <typename T> inline bool operator==(const modular<T>& _lhs, const modular<T>& _rhs) { return _lhs.val == _rhs.val; }

template <typename T, typename U> inline bool operator==(const modular<T>& _lhs, const U& _rhs) { return _lhs == modular<T>(_rhs); }

template <typename T, typename U> inline bool operator==(const U& _lhs, const modular<T>& _rhs) { return modular<T>(_lhs) == _rhs; }

template <typename T> inline bool operator!=(const modular<T>& _lhs, const modular<T>& _rhs) { return !(_lhs == _rhs); }

template <typename T, typename U> inline bool operator!=(const modular<T>& _lhs, const U& _rhs) { return !(_lhs == _rhs); }

template <typename T, typename U> inline bool operator!=(const U& _lhs, const modular<T>& _rhs) { return !(_lhs == _rhs); }

typedef modular<int> mint;



*/



int n;

vector<int> v[100010];

int mid=-1;

vector<int> MainRoad;

int cnt[100010];



void DFS(int x,int pre)

{

	cnt[x]=1;

	MainRoad.pb(x);

	

	if(x==n-1)mid=MainRoad[((int)MainRoad.size()+1)/2];

	

	for(int i=0;i<v[x].size();i++)

	{

		int to=v[x][i];

		

		if(to==pre)continue;

		else

		{

			DFS(to,x);

			

			cnt[x]+=cnt[to];

		}

	}

	

	MainRoad.pop_back();

}



int main(int argc, char const *argv[])

{

	ios::sync_with_stdio(false);

	

	cin>>n;

	

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

	{

		int x,y;

		cin>>x>>y;

		

		x--,y--;

		

		v[x].pb(y);

		v[y].pb(x);

	}

	

	DFS(0,0);

	

	cout<<(cnt[mid]*2<n ? "Fennec" : "Snuke");

	

	//printf("Time used = %.12f",(double)(clock())/CLOCKS_PER_SEC);

	return 0;

}

// Optimized solution to the same problem (faster):
#include<cstdio>

#include<vector>

#include<algorithm>

using namespace std;

typedef unsigned uint;

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;}

int n;

void dfs(int u,vector<vector<int> >&E,vector<int>&p,vector<int>&sz){

	sz[u]=1;

	for(int i=0;i<(int)E[u].size();i++){

		int to=E[u][i];

		if(p[u]!=to){

			p[to]=u;

			dfs(to,E,p,sz);

			sz[u]+=sz[to];

		}

	}

}

int main(){

    n=in();

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

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

		int a,b;

		a=in();b=in();

		a--;b--;

		E[a].push_back(b);

		E[b].push_back(a);

	}

	vector<int> p(n,-1),sz(n,0);

	dfs(0,E,p,sz);

	vector<int>path;

	int c=n-1,psz=0;

	while(c>=0){

		path.push_back(sz[c]-psz);

		psz=sz[c];

		c=p[c];

	}

	reverse(path.begin(),path.end());

	int ls=0;

	for(int i=0;i<((int)path.size()+1)/2;i++){

		ls+=path[i];

	}

	if(2*ls>n)printf("Fennec");

	else printf("Snuke");

	return 0;

}

// Fastest known solution for this problem: