#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;

ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template <typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}

int main(){
	int n;
	cin >> n;
	vvi G(n);
	rep(i, n - 1){
		int u, v;
		cin >> u >> v;
		u--; v--;
		G[u].push_back(v);
		G[v].push_back(u);
	}
	const int INF = 1001001001;
	auto dfs = [&](int from, int prev, auto dfs) -> pair<int, int>{
		int p = 0, q = INF;
		for(auto to : G[from]){
			if(to == prev) continue;
			auto [p_sub, q_sub] = dfs(to, from, dfs);
			p = max(p, q_sub + 1);
			q = min(q, p_sub + 1);
		}
		if(q == INF) q = 0;
		return make_pair(p, q);
	};
	auto [p, q] = dfs(0, -1, dfs);
	cout << p << "\n";
	cout << q << "\n";
	return 0;
}