///@author Sycamore, ZJNU

///@date 2017-02-07

#include <iostream>
using namespace std;
int main()
{
    int T;
    cin >> T;
    while (T--)
    {
        int p;
        cin >> p;
        int a;
        if (p == 1)a = 7;
        else if (p == 2)a = 27;
        else if (p < 11)a = 70;
        else if (p == 11)a = 270;
        else a = 700;
        cout << a << endl;
    }
    return 0;
}