public class PascaleTriangle
{
  public static void main(String[] args)
  {
    int[][] square = new int[4][4];
    int[][] triangle = new int[4][];


    for (int i = 0; i < 4; i++) {
      triangle[i] = new int[i + 1];
      triangle[i][0] = 1;
      triangle[i][i] = 1;
      for (int j = 1; j < i; j++) {
        triangle[i][j] = triangle[i - 1][j - 1] + triangle[i - 1][j];
      }
    }


    for (int i = 0; i < triangle.length; i++) {
      for (int j = 0; j < triangle[i].length; j++) {
        System.out.print(triangle[i][j] + " ");
      }
      System.out.println();
    }

  }
}