#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		long long p;
		cin >> p;
		if (p == 2) {
			cout << "2" << endl;
			continue;
		}
		cout << (p - 1) * (p - 1) << endl;
	}
}