#include <cmath>
#include <deque>
#include <algorithm>
#include <iterator>
#include <list>
#include <tuple>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <stack>
#include <string>
#include <vector>
#include <fstream>
#include <iostream>
#include <functional>
#include <numeric>
#include <iomanip> 
#include <stdio.h>
#include <assert.h>
#include <cstring>
//eolibraries
#define lnf 3999999999999999999
#define inf 999999999
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
#define all(c) (c).begin(),(c).end()
#define sz(c) (int)(c).size()
#define make_unique(a) sort(all(a)),a.erase(unique(all(a)),a.end())
#define pii pair <int,int>
#define rep(i,n) for(int i = 0 ; i < n ; i++) 
#define drep(i,n) for(int i = n-1 ; i >= 0 ; i--)
#define crep(i,x,n) for(int i = x ; i < n ; i++)
#define vi vector <int> 
#define vec(...) vector<__VA_ARGS__>
#define _3CsYaiq ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
//eodefine
using namespace std;

const int mxn=12000;

int main(){
_3CsYaiq;
	int n;
	cin>>n;
	vec(vec(pii)) adj(n);
	rep(i,n){
		int u,v;
		cin>>u>>v;
		u--,v--;
		adj[v].pb({u,i});
		adj[u].pb({v,i});
	}
	vi usd(n,0),usd1(n,0);
	deque<int> way,cyc;

	auto dfs=[&](auto self,int v,int par)->void{
		usd1[v]=1;
		usd[v]=1;
		way.pb(v);
		int cnt=0;
		for(auto edge : adj[v]){
			int u=edge.fi;
			if(u==par){
				cnt++;
				continue;
			}
			if(usd1[u]==0) self(self,u,v);
			if(sz(cyc)) return;
			if(usd[u]==1){
				if(sz(cyc)) return;
				while(way.front()!=u) way.pop_front();
				cyc=way;
				return;
			}
		}
		if(cnt>=2) cyc={v,par};
		way.pop_back();
		usd[v]=0;
	};

	vi incyc(n,0),usd2(n,0);
	vi ans(n,-1);
	vi colored(n,0);

	auto dfs1=[&](auto self,int v)->void{
		usd2[v]=1;
		usd1[v]=1;
		colored[v]=1;
		for(auto edge : adj[v]){
			int u=edge.fi;
			if(incyc[u] or colored[u]) continue;
			ans[edge.se]=u;
			self(self,u);
		}
	};

	int cnt=1;

	auto dfs2=[&](auto self,int v)->void{
		// cout<<v<<" "<<cnt<<"\n";
		colored[v]=1;
		for(auto edge : adj[v]){
			int u=edge.fi;
			if(cnt<sz(cyc) and u==cyc[cnt]){
				// cout<<edge.se<<"\n";
				// cout<<v<<" "<<u<<"\n";
				ans[edge.se]=u;
				cnt++;
				self(self,u);
			}
			if(cnt==sz(cyc) and u==cyc[0] and ans[edge.se]==-1) ans[edge.se]=u;
		}
	};

	// for(auto x : cyc) cout<<x<<" ";
	// cout<<"\n";

	rep(i,n){
		if(usd1[i]==0){
			cnt=1;
			cyc.clear();
			dfs(dfs,i,-1);
			if(sz(cyc)){
				// for(auto x : cyc) cout<<x<<" ";
				// cout<<"\n";
				// cout<<i<<" here\n";
				for(auto x : cyc) incyc[x]=1;
				for(auto x : cyc) dfs1(dfs1,x);
				dfs2(dfs2,cyc[0]);

			}
		}
	}
	rep(j,n){
		if(colored[j]==0){
			cout<<"No\n";
			exit(0);
		}
	}
	cout<<"Yes\n";
	rep(j,n){
		cout<<ans[j]+1<<"\n";
	}
//	
	return 0;
}