#include <iostream>

using namespace std;

int main()
{
    unsigned int a;
    cin >> a;
    int tab[a];

    for(int i=0;i<a;i++)
    {
        cin >> tab[i];
    }
    cout << "\n";
    for(int i=0;i<a;i++)
    {
        cout << tab[i]*tab[i] << "\n";
    }
}