#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <unordered_map>
#include <deque>

using namespace std;
using ll = long long;

void _cin(){} template <class Head, class... Tail> void _cin(Head&& head, Tail&&... tail){ cin >> head; _cin(forward<Tail>(tail)...); }
void _cout(){ cout << "\n"; } template <class Head, class... Tail> void _cout(Head&& head, Tail&&... tail){ cout << head; _cout(forward<Tail>(tail)...); }
int gcd(int a, int b){ return (b == 0) ? a : gcd(b, a % b); }
template<typename S, typename T> istream& operator>>(istream &is, pair<S, T> &p){ return is >> p.first >> p.second; }
template<typename S, typename T> ostream& operator<<(ostream &os, const pair<S, T> &p){ return os << "[" << p.first << ", " << p.second << "]"; }

#define Sq(x) (x)*(x)
#define For(i, n) for(int i = 0; i < (n); i ++)
#define For1(i, n) for(int i = 1; i <= (n); i ++)
#define Rof(i, n) for(int i = (n)-1; i >= 0; i --)
#define Rep(n) For(_, n)
#define Range(c) c.begin(), c.end()
#define RevRange(c) c.rbegin(), c.rend()
#define Contains(c, x) (find(Range(c), x) != c.end())
#define Search(rb, re, x) distance(rb, find(rb, re, x))
#define Sort(a) sort(Range(a))
#define DeSort(a) sort(RevRange(a))
#define Reverse(c) reverse(Range(c))
#define Unique(a) a.erase(unique(Range(a)), a.end())
#define Cusum(T, xs, sxs) vector<T> sxs(xs.size()+1); For(i, (int)xs.size()) sxs[i+1] = sxs[i] + xs[i]
#define Cin(T, ...) T __VA_ARGS__; _cin(__VA_ARGS__)
#define Cins(T, n, xs) vector<T> xs(n); For(i, n) cin >> xs[i]
#define Cins2(T, n, xs, ys) vector<T> xs(n), ys(n); For(i, n) cin >> xs[i] >> ys[i]
#define Cins3(T, n, xs, ys, zs) vector<T> xs(n), ys(n), zs(n); For(i, n) cin >> xs[i] >> ys[i] >> zs[i]
#define Cinm(T, n, map) unordered_map<T, int> map; Rep(n){ Cin(T, x); map[x] ++; }
#define Cout(...) _cout(__VA_ARGS__)
#define Couts(xs) { for(const auto &e : xs) cout << e << " "; cout << "\n"; }
#define Coutyn(cond) Cout((cond) ? "yes" : "no")
#define CoutYn(cond) Cout((cond) ? "Yes" : "No")
#define CoutYN(cond) Cout((cond) ? "YES" : "NO")
#define vc vector
#define Mini(a, x) a = min(a, x)
#define Maxi(a, x) a = max(a, x)
#define Return(x) { Cout(x); return 0; }

// constexpr int MOD = 1e9+7;

int main(void){
    Cin(int, n);
    vc<vc<int>> al(n);
    Rep(n-1){
        Cin(int, i, j); i--, j--;
        al[i].push_back(j);
        al[j].push_back(i);
    }
    
    vc<int> v(n, -1), path; v[0] = n-1;
    deque<int> q {0};
    while(!q.empty()){
        int i = q.front();
        q.pop_front();

        if(i == n-1){
            do path.push_back(i), i = v[i]; while(i != n-1);
            Reverse(path);
            break;
        }
        for(auto &j : al[i]){
            if(v[j] == -1) v[j] = i, q.push_back(j);
        }
    }
    // Couts(path);
    
    v = vc<int>(n, 0); v[0] = v[path[(path.size()+1)/2]] = 1;
    int size = 0;
    q = deque<int>{0};
    while(!q.empty()){
        size ++;
        int i = q.front();
        q.pop_front();
        for(auto &j : al[i]) if(v[j] == 0) v[j] = 1, q.push_back(j);
    }
    // Cout(size, " ", n-size);
    Cout(size > n-size ? "Fennec" : "Snuke");
    
}


Measured memory_bytes: 7032