import java.util.Arrays;

public class mc_q22
{
    public static void main(String[] args)
    {
	int[][] x = { {1,2,3}, {4,5,6}};

	for ( int c = 0; c < x[0].length; c++)
	    for ( int r = 0; r < x.length; r++)
		System.out.print(x[r][c]);

        System.out.println();
    }
}