#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int(i) = 0; (i) < (n); (i)++) #define FOR(i, m, n) for(int(i) = (m); (i) < (n); (i)++) #define All(v) (v).begin(), (v).end() #define pb push_back #define MP(a, b) make_pair((a), (b)) template <class T> vector<T> make_vec(size_t a, T val) { return vector<T>(a, val); } template <class... Ts> auto make_vec(size_t a, Ts... ts) { return vector<decltype(make_vec(ts...))>(a, make_vec(ts...)); } using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using Graph = vector<vector<int>>; template <typename T> struct edge { int to; T cost; edge(int t, T c) : to(t), cost(c) {} }; template <typename T> using WGraph = vector<vector<edge<T>>>; const int INF = 1 << 30; const ll LINF = 1LL << 60; const int MOD = 1e9 + 7; int main() { int N; cin >> N; rep(i, N) { ll p; cin >> p; if(p == 2) { cout << 2 << endl; } else { cout << (p - 1) * (p - 1) << endl; } } }