//#include "pch.h"
#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <limits.h>
#include <string>
#include <deque>
#include <cmath>
#include <bitset>
#include <complex>
#include <time.h>
#include <stdio.h>

typedef long long ll;
typedef std::pair<int, int> Pii;
typedef std::pair<long long, long long> Pll;
typedef std::pair<double, double> Pdd;

#define rip(i, n, s) for (int i = (s);i < (int)( n ); i++)
#define mapa make_pair
#define all(a) a.begin(), a.end()
#define MM << " " <<

template<typename T>
using MaxHeap = std::priority_queue<T>;
template<typename T>
using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T>>;

template<typename T>
inline bool chmax(T &a, T b){
	if(a<b){
		a = b;
		return true;
	}
	return false;
}
template<typename T>
inline bool chmin(T &a, T b){
	if(a>b){
		a = b;
		return true;
	}
	return false;
}
template<typename T>
std::vector<T> vec(int len, T elem) {return std::vector<T>(len, elem);}
template<typename T>
void vdeb(std::vector<T> &da) {
	for (int i = 0;i < da.size();i++) {
		if (i == da.size() - 1) std::cout << da[i] <<std:: endl;
		else std::cout << da[i] << ' ';
	}
}
template<typename T>
void vvdeb(std::vector<T> &da) {
	for (int i = 0;i < da.size();i++) vdeb(da[i]);
}

long long pow(long long n, long long p, long long k) {//n^k(mod p)
	if (!k) return 1;
	long long a = pow(n,p, k>>1);
	a = a * a%p;
	if (k & 1) a = a * n%p;
	return a;
}
void euclid(long long &a, long long &b, long long p) { // a>=b A*b+B*(a-a/b*b)=1
	if (a == 1) {
		a = 1;
	}
	else {
		long long A = b, B = a % b;
		euclid(A, B, p);
		b = (A - (p + a / b) % p * B % p + p) % p;
		a = B;
	}
}
long long rev(long long n, long long p) {//nの逆元 n*x-p*y=1
	//long long q = p;
	//euclid(p, n, p);
	//return n % q;
    return pow(n,p,p-2);
}
long long bino(long long n, long long m, long long p) {//nCm(mod p)
	long long ans = 1, div = 1;
	for(int i = 0;i < m; i++){
		ans = (n - i) * ans % p;
		div = div * (i +1) % p;
	}
	return ans * rev(div, p) % p;
}
struct modint {
	long long num;
	long long p;
	modint() {
		num = 0;
		p = 1000000007;
	}
	modint(int x) {
		p = 1000000007;
		num = (long long)x%p;
	}
	modint(long long x) {
		p = 1000000007;
		num = x % p;
	}
	modint operator+(const modint &other) {
		modint ret;
		ret.p = p;
		ret.num = (num + other.num) % p;
		return ret;
	}
	modint operator+(const long long &other) {
		modint ret;
		ret.p = p;
		ret.num = (num + (other%p)) % p;
		return ret;
	}
	modint operator-(const modint &other) {
		modint ret;
		ret.p = p;
		ret.num = (num - other.num + p) % p;
		return ret;
	}
	modint operator-(const long long &other) {
		modint ret;
		ret.p = p;
		ret.num = (num - (other%p) + p) % p;
		return ret;
	}
	modint operator*(const modint &other) {
		modint ret;
		ret.p = p;
		ret.num = (num*other.num) % p;
		return ret;
	}
	modint operator*(const long long &other) {
		modint ret;
		ret.p = p;
		ret.num = (num*(other%p)) % p;
		return ret;
	}
	modint operator/(const modint &other) {
		modint ret;
		ret.p = p;
		ret.num = (num*rev(other.num, p)) % p;
		return ret;
	}
	modint operator/(const long long &other) {
		modint ret;
		ret.p = p;
		ret.num = (num*rev(other%p, p)) % p;
		return ret;
	}
	void operator+=(const long long &other) {
		num = (num + other) % p;
	}
	void operator+=(const modint &other) {
		num = (num + other.num) % p;
	}
	void operator-=(const long long &other) {
		num = (num - other + p) % p;
	}
	void operator-=(const modint &other) {
		num = (num - other.num + p) % p;
	}
	void operator*=(const long long &other) {
		num = (num*other) % p;
	}
	void operator*=(const modint &other) {
		num = (num*other.num) % p;
	}
};

struct UnionFind{
    int size;
    std::vector<int> par;
    std::vector<int> rank;
    UnionFind(int x){
        size=x;
        par=std::vector<int> (x);
        rank=std::vector<int> (x,1);
        for (int i=0;i<x;i++) par[i]=i;
    }
    int root(int x){
        if(par[x]==x) return x;
        else return par[x]=root(par[x]);
    }
    void unite(int x,int y){
        x=root(x);y=root(y);
        if(x==y) return;
        if(rank[x]<rank[y]) par[x]=y;
        else par[y]=x;
        if(rank[x]==rank[y]) rank[x]++;
    }
    bool check(int x,int y){
        return root(x)==root(y);
    }
    void initialize(){
        for (int i=0;i<size;i++){
            par[i]=i;rank[i]=1;
        }
    }
};

using namespace std;

int n;

void bfs(vector<vector<int>> &to, vector<int> &da, int st){
	vector<bool> ju(n,true);
	queue<int> q;
	q.push(st);
	da[st] = 0;
	ju[st] = false;
	while(!q.empty()){
		int now = q.front();q.pop();
		rip(i, to[now].size(),0){
			if(ju[to[now][i]]){
				da[to[now][i]] = da[now]+1;
				ju[to[now][i]] = false;
				q.push(to[now][i]);
			}
		}
	}
	return;
}

int main(){
	cin >> n;
	vector<vector<int>> to(n,vector<int>(0));
	rip(i,n-1,0){
		int x,y;cin >> x >> y;
		x--;y--;
		to[x].push_back(y);
		to[y].push_back(x);
	}
	vector<int> a(n),b(n);
	bfs(to,a,0);bfs(to,b,n-1);
	//vdeb(a);vdeb(b);
	int fe=0,su=0;
	rip(i,n,0){
		if(a[i] <= b[i]) fe++; else su++;
	}
	printf((fe<=su)?"Snuke\n":"Fennec\n");
}

Measured memory_bytes: 6528