I got 3 columns, name, col1, col2, I want to output 2 columns only
col1== col2 OR col1!=col2 in each row
but my final output only 2 column

INPUT:

	name	col1	col2
row1	A	1	1
row2	B	2	22
row3	C	3	333
row4	D	4	4

OUTPUT:

	name	column
row1	A	1
row2	B	2
row3	B	22
row4	C	3
row5	C	333
row6	D	4