#include <bits/stdc++.h>
using namespace std;
/* typedef */
typedef long long ll;
typedef pair<int, int> pii;
/* constant */
const int INF = 1 << 30;
const ll LINF = 1LL << 61;
const int NIL = -1;
const int MAX = 10000;
const int MOD = 1000000007;
const double pi = 3.141592653589;
/* global variables */
/* function */
/* main */
int main(){
    int n;
    cin >> n;
    // p != 2 => フェルマーの小定理
    // 2^(p-1) = 1 (mod p)
    // 2^{(p-1)^2} = 1 (mod p)
    // (p - 1)^2 = p^2 - 2p + 1 = 1 (mod p)
    // 2^{(p-1)^2} = (p - 1)^2 (mod p)

    for (int i = 0; i < n; i++) {
        ll p;
        cin >> p;
        if (p == 2) cout << 2 << '\n';
        else cout << (p - 1) * (p - 1) << '\n';
    }
}