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

bool chk(int n){
    int sum=0;
    while(n){
        sum+=n%10;
        n/=10;
    }
    if(sum%7==0) return true;
    else return false;
}
int main(){
     int n,t;
     cin >> n;
     while(n--){
        cin >> t;
        //
        if(chk(t)==true) cout << "Yes" << endl;
        else cout << "No" << endl;
     }
     return 0;
}