#include<bits/stdc++.h>
#define mt make_tuple
using namespace std;

typedef unsigned long long ull;
const int N=4e5+5;
int n,x[N],y[N];
struct node{
	int x,y,p,o;node(){}
	node(int x,int y,int p,int o):x(x),y(y),p(p),o(o){}
	bool operator<(const node&b)const{return mt(y,!o)<mt(b.y,!b.o);}
}a[N];
struct Q{
	int p,l,r,o;ull k;Q(){}
	Q(int p,int l,int r,int o,ull k):p(p),l(l),r(r),o(o),k(k){}
	bool operator<(const Q&b)const{
		if(p^b.p)return p<b.p;
		if(o^b.o)return o>b.o;
		return o^(r-l>b.r-b.l);
	}
}q[N];

const int S=N<<2;
ull val[S],tag[S];bool ok[S];
#define ls p<<1
#define rs p<<1|1
#define mid (l+r>>1)
#define Ls ls,l,mid
#define Rs rs,mid+1,r
#define all 1,1,V
inline void pu(int p){val[p]=val[ls];ok[p]=ok[ls]&&ok[rs]&&val[ls]==val[rs];}
inline void chg(int p,ull k){val[p]^=k;tag[p]^=k;}
inline void pd(int p){if(tag[p]){chg(ls,tag[p]);chg(rs,tag[p]);tag[p]=0;}}
void upd(int p,int l,int r,int L,int R,ull k){if(L<=l&&r<=R)return chg(p,k);pd(p);if(L<=mid)upd(Ls,L,R,k);if(R>mid)upd(Rs,L,R,k);}
ull lst;
bool qry(int p,int l,int r,int L,int R){if(L<=l&&r<=R){bool t=ok[p]&&(!~lst||lst==val[p]);lst=val[p];return t;}pd(p);return L>mid?qry(Rs,L,R):R<=mid?qry(Ls,L,R):qry(Ls,L,R)&&qry(Rs,L,R);}
mt19937 rnd(time(NULL));
int V=0,d[N];
int ans[N];
inline bool solve(){
	scanf("%d",&n);
	for(int i=1;i<=n+n;i++)scanf("%d%d",&x[i],&y[i]);
	for(int i=1;i<=n;i++)a[i]=node(x[i],y[i],i,0);
	for(int i=1;i<=n;i++)a[n+i]=node(x[n+i],y[n+i],i,1);
	sort(a+1,a+n+n+1);
#define pi pair<int,int>
#define fi first
#define se second
#define mp make_pair
	set<pi>s;
	for(int i=1;i<=n+n;i++)
		if(!a[i].o)s.insert(mp(a[i].x,a[i].p));
		else{
			if(s.empty())return false;
			auto it=s.lower_bound(mp(a[i].x-1,n+n+1));
			if(it==s.begin())return false;
			ans[(--it)->se]=a[i].p;s.erase(it);
		}
	int m=0;
	for(int i=1;i<=n;i++){
		ull w=rnd();int j=n+ans[i];
		q[++m]=Q(x[i],y[i],y[j]-1,0,w);
		q[++m]=Q(x[j],y[i],y[j]-1,1,w);
		d[++V]=y[i];d[++V]=y[j]-1;
	}
	sort(d+1,d+V+1);V=unique(d+1,d+V+1)-d-1;
	sort(q+1,q+m+1);
	auto gn=[&](int x){return lower_bound(d+1,d+V+1,x)-d;};
	memset(ok,1,sizeof ok);
	for(int i=1;i<=m;i++){
		int l=gn(q[i].l),r=gn(q[i].r);
		lst=-1;if(!qry(all,l,r))return false;
		upd(all,l,r,q[i].k);
	}
	return true;
}
int main(){
	if(solve()){
		puts("Yes");
		for(int i=1;i<=n;i++)printf("%d\n",ans[i]);
	}else puts("No");
	return 0;
}