import java.util.*;
import java.lang.*;
import java.io.*;


class Ideone
{
  public static void main (String[] args) throws java.lang.Exception
  {
    int n;
    Scanner in = new Scanner(System.in);
    n = in.nextInt();
    double x, y;
    x = in.nextDouble();
    System.out.println (x*x + " ");
    for(int i=0; i<(n-1); i++)
    {
      y = in.nextDouble();
      System.out.println (x*y + " ");
    }
  }
}