public class Matrix1
{
    public static void clearScreen()
    {
                  System.out.print('\u000C');
    }
         
    private static boolean  duple (int[][]a,int i, int j)
    {
        if (j==a[i].length)
            return true;
         else 
            if (a[i][j]%2!=0)    
                return false;
            else
                return (duple( a, i, j++));
    }
     private static boolean  tri (int[][]a,int i, int j)
     {
        if (j==a[i].length)
              return true;       
          else   
             if (a[i][j]%3!=0)
                 return false;
             else
                  return (tri( a, i, j++));
     }
     public static boolean oddEvenRow(int[][]a,int i,int j) 
     {
        if (i==a.length[j])
            return true;
         else
            if (i%2==0)
            return (duple (a));
            else 
            return (tri (a));
     }

}