#include<bits/stdc++.h>
#define pb emplace_back
#define AI(i) begin(i), end(i)
using namespace std;
using ll = long long;
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void debug(auto L, auto R) { while (L < R) cerr << *L << " \n"[L+1==R], ++L; }
void kout(){ cerr << endl; }
template<class T1, class ...T2> void kout(T1 a, T2 ...e) { cerr << a << ' ', kout(e...); }
#else
#define DE(...) 0
#define deubg(...) 0
#endif
const int MAX_N = 300010;
vector<int> edge[MAX_N];
int n;
void dfs(int x, int lst = -1) {
    for (int u : edge[x])
        if (u != lst)
            dfs(u, x);
}
signed main(){
    ios_base::sync_with_stdio(0), cin.tie(0);
    cin >> n;
    for (int i = 1, a, b;i < n;++i) {
        cin >> a >> b;
        edge[a].pb(b);
        edge[b].pb(a);
    }
    dfs(1);
}