#include<stdio.h>
int main()
{
	int n;
	scanf("%d", &n);
	int i;
	long long int p[1003];
	for (i = 0; i < n; i++)
		scanf("%lld", &p[i]);
	for (i = 0; i < n; i++)
	{
		if (p[i] == 2)
			printf("2\n");
		else
			printf("%lld\n", (p[i] - 1) * (p[i] - 1));
	}
	return 0;
}