#include<bits/stdc++.h>
#define rep(i,n) for(int i=0; i< (n); i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
const int mod = 998244353;
const int inf = (1<<30);
const ll INF = (1ull<<62);
int res = 0;
vector<int> ans(1e+5 + 7,-1);
vector<int> used(1e+5 + 7);
void  dfs(int x, vector<vector<int>> g){
  
  used[x] = 1;

  for(int y : g[x]){
    if(used[y] == 1) continue;
    if(x > y) res++;
    dfs(y,g);
  }
  return;
}

void  dfs2(int x, vector<vector<int>> g){
  cout<<x<<" "<<res<<endl;
  ans[x] = res;

  for(int y : g[x]){
    if(ans[y] != -1) continue;
    if(x > y) res--;
    else res++;
    dfs2(y,g);
    if(x > y) res++;
    else res--;
  }
  return;
}

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);
    }
    dfs(0,g);
    dfs2(0,g);
    rep(i,n) cout<<ans[i]<<endl;
}