?

#include<bits/stdc++.h>
using namespace std;
long long t;
int a[114514191],b[114514191],c[114514191],d[114514191];
int main(){
  	cin>>t;
  	for(int i=1;i<=t;i++){
  		cin>>a[i]>>b[i];
  		c[i]=a[i]%10;
		d[i]=b[i]%10;
	}
	for(int i=1;i<=10000000000;i++){
		a[i]+=c[i];
		b[i]+=d[i];
		if(a[i]==b[i]){
			cout<<"Yes"<<endl;
			break;
		}
	}	
	for(int i=1;i<=t;i++){
  		if(a[i]!=b[i])
			cout<<"No"<<endl;
	}
  	return 0;
}