//The following three lines are needed to get a number from the keyboard.
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class SpreadSheet {
	/**
	 * @param args
	 */
	public static void main(String[] args) {

		System.out.print("How many rows? ");
		final int nrows = getInt();

		System.out.print("How many columns? ");
		final int ncols = getInt();

		double[][] a = new double[nrows][ncols];

		System.out.println("Please type first column");
		for (int row = 0; row < nrows; ++row) {
			System.out.print("a[" + row + "][0] ");
			a[row][0] = getInt();
		}
		System.out.println();

		for (int row = 0; row < nrows; ++row) {
			a[row][1] = 2 * a[row][0];
			a[row][2] = 10 + a[row][0];
			a[row][3] = a[row][1] + a[row][2];
		}

		for (int row = 0; row < nrows; ++row) {
			for (int col = 0; col < ncols; ++col) {
				System.out.print(a[row][col] + "\t");
			}
			System.out.println();
		}
	}

	//The following 16 lines are needed to get a number from the keyboard.
	private static BufferedReader reader =
		new BufferedReader(new InputStreamReader(System.in));
	private static int getInt() {
		try {
			return Integer.parseInt(reader.readLine());
		}
		catch (IOException e) {
			System.err.println("Couldn't receive input: "
				+ e.getMessage());
		}
		catch (NumberFormatException e) {
			System.err.println(e.getMessage()
				+ ", the characters were not a number.");
		}
		return 0;
	}
}