import java.io.* ;

class ColumnSums
{

  public static void main ( String[] args ) throws IOException
  {
    int[][] data = { {3, 2, 5},
                   {1, 4, 4, 8, 13},
                   {9, 1, 0, 2},
                   {0, 2, 6, 3, -1, -8} };

    // declare the sum
    int sum;

    // compute the sums for each row
    for ( int col=0; col < 6; col++)
    {
      sum = 0;
      // compute the sum for this row
      for ( int row=0; row < data.length; row++)
      {
        if (data[row].length > col)
        	sum = data[row][col] + sum;
      }

      // write the sum for this row
      System.out.println("Columm  " + col + " = " + sum);
    }

	System.out.println();
  }
}