#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a;
    cin>>a;
    for(int i=1;i<=a;i++)
    {
        int n;
        cin>>n;
        int s=0;
        int j=n;
        while(j)
        {
            s+=j%10;
            j/=10;
        }
        if(s%7==0){
            cout<<"Yes";
        }
        else{
            cout<<"No";
        }
        cout<<endl;
    }
    return 0;
}