#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
    int n;
    cin >> n;
    vector<vector<int>> g(n);
    rep(i,n-1){
        int a, b;
        cin >> a >> b;
        --a;--b;
        g[a].push_back(b);
        g[b].push_back(a);
    }
    auto dfs = [&](auto dfs, int u, int t, int p = -1) -> int {
        if(t==0){
            int res = 0;
            for(int v : g[u]) if(v!=p){
                res = max(res, dfs(dfs, v, t^1, u));
            }
            return res + 1;
        }
        else{
            int res = 1e9;
            for(int v : g[u]) if(v!=p){
                res = min(res, dfs(dfs, v, t^1, u));
            }
            if(res==1e9) res = 0;
            return res + 1;
        }
    };
    cout << dfs(dfs, 0,0)-1 << endl;
    cout << dfs(dfs, 0,1)-1 << endl;
    return 0;
}