https://vjudge.net/problem/ZOJ-4036
#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
int n;
cin>>n;
while(n--)
{
int a,b,t;
cin>>a>>b;
int f=0;
for(int i=0;i<a;i++)
{
cin>>t;
if( !f && (t+b)%7==0) f=1;
}
if(f) cout<<"Yes\n";
else cout<<"No\n";
}
return 0;
}