#pragma region Macros

#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
// using namespace __gnu_cxx;

#define TO_STRING(var) # var
#define pb emplace_back
#define int ll
#define endl '\n'

using ll = long long;
using ld = long double;
const ld PI = acos(-1);
const ld EPS = 1e-10;
const int INF = 1 << 30;
const ll INFL = 1LL << 62;
const int MOD = 998244353;
// const int MOD = 1000000007;

int ceil(int x, int y) {return (x > 0 ? (x + y - 1) / y : x / y);}
int POW(int x, int y) {
    if (y != (int)(y) or y < 0 or x != 0 && x != 1 && y > 64) {cout << "Error" << endl;return 0;}
    if (y == 0) return 1;
    if (y % 2 == 0) return POW(x * x, y / 2);
    return x * POW(x, y - 1);
}

__attribute__((constructor))
void constructor() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
}

#pragma endregion

vector<int> enum_div(int n) {

	vector<int> res;

	for (int i = 1 ; i * i <= n ; i++) {
		if (n % i == 0) {
			res.push_back(i);

			if (i * i != n) {
				res.push_back(n / i);
			}
		}
	}

	return res;
}

signed main() {
	int T;
	cin >> T;
	for (int t = 0; t < T; t++) {
		int N;
		cin >> N;

		vector<int> p = enum_div(N);
		for (int i = 0; i < (int)p.size(); i++) {
			string S = to_string(N) + to_string(p[i]);
			int k = stoll(S);
			if (k % (N + p[i]) == 0) {
				cout << p[i] << endl;
				break;
			}
		}
	}
}