#include <bits/stdc++.h>
//#include "atcoder/all"
typedef long long int ll;
using namespace std;
// using namespace atcoder;
int main() {
    int n;
    cin >> n;
    vector<ll> ans;
    for (int i = 0; i < n; i++) {
        ll p;
        cin >> p;
        if (p == 2) ans.push_back(2);
        else ans.push_back((p - 1) * (p - 1));
    }
    for (int i = 0; i < ans.size(); i++) {
        cout << ans[i] << endl;
    }
    return 0;
}