import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    static List<List<Integer>> graph = new ArrayList<>();
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        for (int i = 0; i < n; i++) {
            graph.add(new ArrayList<>());
        }
        for (int i = 0; i < n - 1; i++) {
            int a = sc.nextInt() - 1;
            int b = sc.nextInt() - 1;
            graph.get(a).add(b);
            graph.get(b).add(a);
        }
        System.out.println(search(0, 0, true));
        System.out.println(search(0, 0, false));
    }
    
    static int search(int idx, int p, boolean bigger) {
        if (bigger) {
            int ans = 0;
            for (int x : graph.get(idx)) {
                if (x != p) {
                    ans = Math.max(ans, search(x, idx, bigger ^ true) + 1);
                }
            }
            return ans;
        } else {
            int ans = Integer.MAX_VALUE;
            for (int x : graph.get(idx)) {
                if (x != p) {
                    ans = Math.min(ans, search(x, idx, bigger ^ true) + 1);
                }
            }
            return ans == Integer.MAX_VALUE ? 0 : ans;
        }
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}