// Initialize a two-dimensional array.
class Squares
{
  public static void main(String[] args)
  {
    int sqrs[][] =
    {
      { 1, 1 },
      { 2, 4 },
      { 3, 9 },
      { 4, 16 },
      { 5, 25 },
      { 6, 36 },
      { 7, 49 },
      { 8, 64 },
      { 9, 81 },
      { 10, 100 }
    };
    int i, j;

    for(i=0; i < 10; i++)
    {
      for(j=0; j < 2; j++)
        System.out.print(sqrs[i][j] + " ");
      System.out.println();
    }
  }
}