public class Question01 
{
	public static void main(String[] args)
	{
		//a)
		int[][] arr = new int[4][7];
		
		//b)
		for (int r=0; r < arr.length; r++)
		{
			for (int c=0; c < arr[r].length; c++)
			{
				arr[r][c] = r + c;
			}
		}
		
		//c)
		for (int r=0; r < arr.length; r++)
		{
			for (int c=0; c < arr[r].length; c++)
			{
				System.out.print(arr[r][c] + " ");
			}
			System.out.println("");
		}	
	}
}