#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<vector<int>> g(n);
    for(int i = 1; i < n; i++){
        int u, v;
        cin >> u >> v;
        u--, v--;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    vector<array<int, 2>> dp(n);
    auto dfs = [&](auto dfs, int v, int s, int p) -> int {
        dp[v][s] = 0;
        if(s == 0){
            for(auto &&u : g[v]){
                if(u == p) continue;
                dp[v][s] = max(dp[v][s], dfs(dfs, u, s ^ 1, v) + 1);
            }
        }else{
            int res = 1 << 30;
            for(auto &&u : g[v]){
                if(u == p) continue;
                res = min(res, dfs(dfs, u, s ^ 1, v) + 1);
            }
            if(res == (1 << 30)) res = 0;
            dp[v][s] = res;
        }
        return dp[v][s];
    };
    cout << dfs(dfs, 0, 0, -1) << '\n';
    cout << dfs(dfs, 0, 1, -1) << '\n';
}