#include <bits/stdc++.h>
using namespace std;
int main () {
int x;
cin>>x;
for(int i=0;i<x;i++) {
string a,b;int ll=0;
cin>>a>>b;
for(int j=0;j<a.length();j++){
for(int k=0;k<b.length();k++){
if(a[j]==b[k])
{
ll=1;
break;
}
}
if(ll==1)
break;
}
if(ll==1)
cout<<"Yes"<<endl;
else
cout<<"No"<<endl;
}
}
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