题目传送门

#include<bits/stdc++.h>
using namespace std;
bool f[100005];
int main() {
	int n;
	cin >> n;
	int g,s,b,q,w;
	for(int i = 0; i < n; i++) {
		int a;
		cin >> a;
		if(a == 100000) {
			cout << "No";
			continue;
		}
		g = a % 10;
		s = a / 10 % 10;
		b = a / 100 % 10;
		q = a / 1000 % 10;
		w = a / 10000;
		if((g + s + b + q + w) % 7 == 0) {
			f[i] = 1;
		} else {
			f[i] = 0;
		}
	}
	for(int i = 0; i < n; i++) {
		if(f[i]) {
			cout << "Yes" << endl;
		} else {
			cout << "No" << endl;
		}
	}

	return 0;
}